Brf5 lewis structure - Learn how to draw the Lewis structure and predict the molecular geometry and bond angles for BrF5 (Bromine pentafluoride). Watch a video explanation with examples, charts …

 
Aug 2, 2555 BE ... A video explanation of how to draw the Lewis Dot Structure for Chlorine Pentafluoride, along with information about the compound including .... Charleston white

Here is a skeleton of BrF5 lewis structure and it contains five Br-F bonds. (Note: If you want to know the steps of drawing the BrF5 lewis dot structure, then visit this article: BrF5 lewis structure, Or you can also watch this short 2 minute video). So from the above diagram we have come to know that the BrF5 molecule has five Br-F bonds.Shopping online can be a great way to save time and money, but it can also be a bit daunting if you’ve never done it before. John Lewis is one of the most popular online retailers ...A video explanation of how to draw the Lewis Dot Structure for Bromine Pentafluoride, along with information about the compound including Formal Charges, Pol...The lewis structure for brf5 shows that there are five bonds formed between the central bromine atom and the surrounding fluorine atoms. Brf5 is a molecule that consists of one central bromine atom bonded to five surrounding fluorine atoms. The lewis structure for brf5 illustrates that there are five bonds formed between the central …A The central atom, P, has five valence electrons and each fluorine has seven valence electrons, so the Lewis structure of PF 5 is B There are five bonding groups about phosphorus. The structure that …Learn how to draw the lewis dot structure of BrF5 in 5 simple steps with images and examples. Find out the valence electrons, formal charge and bond types …For the BrF5 Lewis structure the total number of valence electrons (found on the periodic table) is 42. Once we know how many valence electrons there are in BrF5 we can …Oct 11, 2023 · BrF5 lewis structure comprises five fluorine (F) atoms and one bromine (Br) atom. The bromine (Br) atom is kept at the central position and the fluorine (F) atoms are in the surrounding position. The lewis dot structure of BrF5 has a total of five Br-F bonds. Follow some steps for drawing the lewis dot structure of BrF5. 1. Oct 11, 2023 · BrF5 lewis structure comprises five fluorine (F) atoms and one bromine (Br) atom. The bromine (Br) atom is kept at the central position and the fluorine (F) atoms are in the surrounding position. The lewis dot structure of BrF5 has a total of five Br-F bonds. Follow some steps for drawing the lewis dot structure of BrF5. 1. This article is regarding Brf5 lewis Structure, characteristics, and properties of Brf5. Bromine pentafluoride, commonly known as Brf5, is a chemical used in ... Tento článek se týká struktury Brf5 lewis, charakteristik a vlastností Brf5. Fluorid brom, běžně známý jako Brf5, je chemická látka používaná v průmyslu zpracování uranu a jako …Brf5 lewis structure formal charge. The formal charge is found as (valence electrons- nonbonding electrons-½ bonding electrons). Formal charge on Br = 7-5-2 =0. …Aug 2, 2555 BE ... A video explanation of how to draw the Lewis Dot Structure for Bromine Monofluoride, along with information about the compound including ...Hi Guys! Welcome back to our channel and today we are going to share yet another video for determining the Lewis Structure of the given molecule over here: B...Use information from step 4 and 5 to draw the lewis structure. Lewis dot structure of BrF 5. Alternatively a dot method can be used to draw the lewis structure of BF 3. Calculate the total valence electrons in BF 3 molecule. Br=7 F=7x5=35. Total=42. Put Bromine in the center and five fluorine atoms on the sides.Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history ... Figure 7.17 The molecular structure of the methane molecule, CH 4, is shown with a tetrahedral arrangement of the hydrogen atoms.VSEPR structures like this one are often drawn using the wedge and dash notation, in which solid lines represent bonds in the plane of the page, solid wedges represent bonds coming up out of the plane, and dashed lines represent bonds going down into the plane. A step-by-step explanation of how to draw the XeF2 Lewis Dot Structure (Xenon difluroide).For the XeF2 structure use the periodic table to find the total num...Long Lewis Ford in Hoover, Alabama is the premier destination for anyone looking to buy a car in Birmingham and its surrounding areas. In this article, we will explore why Long Lew...A three-step approach for drawing the CBr4 Lewis Structure can be used. The first step is to sketch the Lewis structure of the CBr4 molecule, to add valence electron around the carbon atom; the second step is to valence electron to the bromine atom, and the final step is to combine the step1 and step2 to get the CCl4 Lewis Structure.Lewis structure is a 2D representation of the arrangement of atoms in a compound. It shows the arrangement of electrons around individual atoms. According to Lewis, only valence electrons participate in bond formation, and hence only valence electrons are represented in Lewis symbols. One compound can have more than one …Bromine tetrafluoride (BrF4) is a chemical compound that consists of one bromine atom and four fluorine atoms.Understanding the Lewis structure of BrF4 is essential in determining its molecular geometry and chemical properties.The Lewis structure provides a visual representation of the arrangement of atoms and electrons in …The Lewis structure is a pictorial representation of valence electrons taking part in the formation of bonds to produce a new molecule with new properties altogether. To begin drawing the Lewis structure of Chlorine dioxide, first, it is essential to draw one for the participating elements. For Chlorine, Atomic number = 17. Electronic Configuration = …A step-by-step explanation of how to draw the BrF3 Lewis Dot Structure (Boron trifluoride ).For the BrF3 structure use the periodic table to find the total n...Part A Draw a Lewis structure for BrF. Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Part B Find the direction of the arrow representing the dipole moment of the molecule. It is either. Part C Use Figure 9.10 in the textbook to estimate the percent ionic character of the BrF ...May 22, 2023 · Step #1: Calculate the total number of valence electrons. Here, the given molecule is BrF5 (Bromine pentafluoride). In order to draw the lewis structure of BrF5, first of all you have to find the total number of valence electrons present in the BrF5 molecule. (Valence electrons are the number of electrons present in the outermost shell of an atom). Here is a skeleton of BrF5 lewis structure and it contains five Br-F bonds. (Note: If you want to know the steps of drawing the BrF5 lewis dot structure, then visit this article: BrF5 lewis structure, Or you can also watch this short 2 minute video). So from the above diagram we have come to know that the BrF5 molecule has five Br-F bonds.The BrF5 or the bromine pentafluoride has a bond angle of 90°. Therefore, the angle formed between the central atoms and the other ones has an angle of 90° between them. As for the total number of 90° bond angles in the bromine pentafluoride, the compound consists of 5 bond pairs of atoms and one lone pair. Also, it has to be kept in mind ... The BrF5 or the bromine pentafluoride has a bond angle of 90°. Therefore, the angle formed between the central atoms and the other ones has an angle of 90° between them. As for the total number of 90° bond angles in the bromine pentafluoride, the compound consists of 5 bond pairs of atoms and one lone pair. Also, it has to be kept in mind ... Let’s know some interesting facts about this compound. In the ClF5 Lewis structure, central Chlorine (Cl) atom is bonded to 5 fluorine (F) atoms by single bonds. The ClF5 molecule contains 16 lone pairs, each Fluorine atom has 3 lone pairs and one lone pair is present on the chlorine atom. Molecular Name. Chlorine Pentafluoride. Chemical …On your Calcs page, draw a Lewis structure for BrFs and answer the following questions: a. What is the electron group geometry of BrF5? b. What is the molecular geometry of BrF5? c. What is the hybridization of the central atom in BrF5? Here in the test, choose whether BrFg is POLAR or NONPOLAR.The Lewis dot structure for Cl2, the chemical formula for chlorine gas, is written with two Cl symbols, each of which is surrounded by three pairs of dots, connected by a single li...Feb 25, 2013 · Step-by-step video of how to get from the formula BrF5 to its Lewis structure and geometry. Steps of Drawing lewis structure of PO43-. 1. Let us count the total number of valence electrons for the molecule PO43-. P belongs to group 5, hence has 5 valence electrons. O belongs to group 6, hence has 6×4= 24 valence electrons (4 atoms of O). Now there is a charge of -3 on the whole atom which means there are 3 additional valence ...For the BrF5 Lewis structure the total number of valence electrons (found on the periodic table) is 42. Once we know how many valence electrons there are in BrF5 we can distribute them around the central atom with the goal of filling the outer shells of each atom. Question: Add lone pairs to the Lewis structure of the interhalogen compound BrF5 . Add lone pairs to the Lewis structure of the interhalogen compound BrF5 . There are 2 steps to solve this one. Who are the experts? Experts have been vetted by Chegg as specialists in this subject. Expert-verified.The Lewis structure of Silicon tetrafluoride gives us information that the silicon atom forms four single bonds with four fluorine atoms. The Lewis structure is the foundation of the chemical bonding of any molecule. With the help of Lewis structure and Valence shell electron pair repulsion (VSEPR) theory, we can anticipate the molecular geometry …If you get stuck, try asking another group for help. For each of the following, draw the Lewis dot structure, give the electron arrangement (E.A.) and the molecular geometry (M.G.): PF5 P F 5. CS2 C S 2. BrO−3 B r O 3 −. NH+4 N H 4 +. SCl4 S C l 4.Question: BrF5 Molecule: Lewis Dot Structure. F.C.'s # Electronic Picture & Name (include L.P. orbitals) Bonding Regions Molecular Picture & Name (exclude L.P. orbitals) Bond Angles #e regions # Lone Pair Regions Hybrid- ization I. Ground State e Diagram II. Promoted State e Diagram III. Hybridized State Diagram (Identify lone pairs and bonds ... Jun 21, 2023 · Now in the BrF5 molecule, you have to put the electron pairs between the bromine atom (Br) and fluorine atoms (F). This indicates that the bromine (Br) and fluorine (F) are chemically bonded with each other in a BrF5 molecule. Step 4: Make the outer atoms stable. Place the remaining valence electrons pair on the central atom. Part A Draw a Lewis structure for BrF. Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Part B Find the direction of the arrow representing the dipole moment of the molecule. It is either. Part C Use Figure 9.10 in the textbook to estimate the percent ionic character of the BrF ...AX5E: BrF5; AX4E2: ICl4− ... According to this model, valence electrons in the Lewis structure form groups, which may consist of a single bond, a double bond, a triple bond, a lone pair of electrons, or even a single unpaired electron, which in the VSEPR model is counted as a lone pair. Because electrons repel each other electrostatically, the most …Learn how to draw the Lewis structure of BrF5, a polar molecule with square pyramidal shape and sp3d2 hybridization. Find out the atom arrangement, electron arrangement, …The XeCl2 Lewis structure refers to the arrangement of atoms and electrons in a molecule of xenon dichloride. Xenon dichloride is a chemical compound composed of xenon and chlorine atoms. The Lewis structure helps us understand the bonding and electron distribution within the molecule. In the XeCl2 Lewis structure, xenon is the …Draw the Lewis structure for the given molecule. BrF5; Draw the Lewis structure of the molecule SiH4 and include the lone pairs if necessary. Draw the Lewis structure of Butanoate with electron pairs. Draw the Lewis structure for this molecule, and include all lone pairs and abbreviated functional groups in it. Draw a Lewis structure for the ...For many people, dementia means Alzheimer’s. But Alzheimer’s isn't the only type of dementia; there are actually several different forms including vascular dementia and dementia wi...The Lewis electron structure for the NH 4+ ion is as follows: The nitrogen atom shares four bonding pairs of electrons, and a neutral nitrogen atom has five valence electrons. Using Equation 4.4.1, the formal charge on the nitrogen atom is therefore. formalcharge(N) = 5 −(0 + 8 2) = 0.Nov 20, 2561 BE ... ... BrF5 will be zero since it is a neutral molecule. We ... How to Draw Lewis Structures, The Octet Rule and Exceptions | Study Chemistry With Us.Drawing the Lewis Structure for BrF 5. In the BrF 5 Lewis structure, Bromine (Br) is the least electronegative atom and goes in the center of the Lewis structure. For the BrF 5 Lewis structure, you'll need to put more than eight valence electrons on the Bromine atom. In the Lewis structure for BrF 5 there are a total of 42 valence electrons. Jul 5, 2021 · SO42- Lewis Structure, Hybridization, Bond Angle and Molecular Geometry. SO42- is a chemical name for the sulfate ion. It comprises one Sulphur atom, four Oxygen atoms, and a charge of -2. It is a polyatomic anion and is used widely to synthesize other sulfates such as Zinc Sulfates, Magnesium sulfates, Iron sulfates, and much more. 1. The bromine atom has seven valence electrons, and each fluorine has seven valence electrons, so the Lewis electron structure is. Three fluorines are bonded to a central …A bróm-pentafluorid, közismert nevén Brf5, az uránfeldolgozó iparban és rakéták hajtóanyagaként használt vegyi anyag. Ehhez olyan folyadék kapcsolódik, amely maró hatású. Szerves anyagokkal reagálva erősen mérgezővé és éghetővé válik. Brf5 lewis szerkezet egy interhalogén vegyület, fluorozó tulajdonságokkal.John Lewis was not just a civil rights icon; he was also a remarkable leader who left a lasting impact on those around him. His dedication to justice, his unwavering commitment to ...Bromate ion (BrO3-) lewis dot structure, molecular geometry, polar or non-polar, hybridization. Bromate is a bromine-based oxoanion that has a chemical formula BrO3-, it is a monovalent inorganic anion. It is denser than water. Bromate ion is formed when ozone reacts with bromide anion. It formed many salts like sodium bromate, …The Lewis structure shows three single As-Br bonds and a lone pair on As, resulting in a total of 8 bonding electrons. The molecule has a trigonal pyramidal geometry with bond angles slightly less than 109.5° due to lone pair-bond pair repulsion. AsBr3 is polar, a result of the electronegativity difference (As: 2.18, Br: 2.96) and the asymmetric …The lewis structure for brf5 shows that there are five bonds formed between the central bromine atom and the surrounding fluorine atoms. Brf5 is a molecule that consists of one central bromine atom bonded to five surrounding fluorine atoms. The lewis structure for brf5 illustrates that there are five bonds formed between the central …Chemistry. Chemistry questions and answers. Draw the Lewis structure for BrF5 and answer the following questions. How many valence electrons are present in this compound? How many bonding electrons are present in this compound? How many lone pair (non-bonding) electrons are present in this compound? Tries 1/99 Previous Tries What, if …The Lewis structure is a pictorial representation of valence electrons taking part in the formation of bonds to produce a new molecule with new properties altogether. To begin drawing the Lewis structure of Chlorine dioxide, first, it is essential to draw one for the participating elements. For Chlorine, Atomic number = 17. Electronic Configuration = …For the molecule bromine pentafluoride (BrF5):a) Draw the Lewis structure from its constituent atoms.b) Predict the bond angle around the central atom.c) Dra...A step-by-step explanation of how to draw the XeF4 Lewis Dot Structure (Xeon Tetrafluoride).For the XeF4 structure use the periodic table to find the total n...BrF 5 or Bromine Pentafluoride is a chemical compound that students might not come across frequently. It is a common chemical that is used mainly in rocket propellants and uranium processing. It is a colourless liquid and has properties like strong odour, high toxicity, and is corrosive in nature. This liquid reacts explosively when it comes in ... Bromine pentafluoride. Molecular Formula BrF. Average mass 174.896 Da. Monoisotopic mass 173.910339 Da. ChemSpider ID 23008. Bromine pentafluoride is an interhalogen compound. The lewis structure of Bromine pentafluoride is a bit complicated as it has an exceptional case like expanded octet. …. 13) Draw the Lewis structure of BrF5 (with minimized formal charges) and then determine if the molecule is polar or nonpolar. Show Lewis structure to receive full credit.Learn how to draw the BrF5 Lewis Dot Structure (Bromine pentafluoride) with a step-by-step explanation and examples. Find out how to calculate formal charges, exceptions to …Learn how to draw the lewis dot structure of BrF5 in 5 simple steps with images and examples. Find out the valence electrons, formal charge and bond types …Molecular weight: 174.896. IUPAC Standard InChI:InChI=1S/BrF5/c2-1 (3,4,5)6. IUPAC Standard InChIKey:XHVUVQAANZKEKF-UHFFFAOYSA-N. CAS Registry Number: 7789-30-2. Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript . Verified by Toppr. Valence electrons in BrF 5 = 7+5×7 = 42. The distribution of these electrons in BrF 5 is given as follows in image. There are six lone pairs of electrons around Br. Hence, the arrangement of these electrons around Br will be octahedral. The hybridization involved is sp3d2.In the BrF 5 Lewis structure, Bromine (Br) is the least electronegative atom and goes in the center of the Lewis structure. For the BrF 5 Lewis structure, you'll need to put more …Feb 25, 2013 · Step-by-step video of how to get from the formula BrF5 to its Lewis structure and geometry. The objective is to determine the hybridization of bromine ( Br) in BrF A 5 (bromine pentafluoride). 23) Give the hybridization for the Br in BrF5. YOU MUST SHOW THE FINAL LEWIS STRUCTURE ON YOUR CALCS SHEET A) sp3d2 B) sp3d C) sp3 D) sp2 E) sp 24) Determine the freezing point depression (AT) of a solution that contains 30.7 g glycerin (C3Hg03 ... You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: Draw the Lewis structure for BrF5. The hybridization on the Br is (sp, sp2, sp3, sp3d, sp3d2). The molecule is (choose one: polar or nonpolar) There are 3 steps to solve this one. Jul 15, 2020 · BrF5 (Bromine pentafluoride) Molecular Geometry, Bond Angles Wayne Breslyn 740K subscribers Join Subscribe Subscribed 285 35K views 3 years ago An explanation of the molecular geometry for the... Cult Leadership Structure - Cult leadership structure is a term related to cults. Learn about the cult leadership structure at HowStuffWorks. Advertisement ­­­ There is no cult wit...Συντονισμός δομής Brf5 lewis. In Δομή Lewis του Brf5 αποτελείται από 42 ηλεκτρόνια σθένους. Μπορούμε να διανείμουμε το κέλυφος σθένους γύρω από τον πυρήνα για να γεμίσουμε τα εξωτερικά στρώματα κάθε ατόμου μόλις μάθουμε πόσα υπάρχουν στο Brf5.Verified by Toppr. Valence electrons in BrF 5 = 7+5×7 = 42. The distribution of these electrons in BrF 5 is given as follows in image. There are six lone pairs of electrons around Br. Hence, the arrangement of these electrons around Br will be octahedral. The hybridization involved is sp3d2.Steps to draw the Lewis Structure of BeF 2. Follow the below-mentioned steps to draw the Lewis structure of BeF 2,. Step 1: Calculating valence electrons – In BeF 2, Be belongs to group 2 of the periodic table having 2 outermost valence electrons while F belongs to group 7 having 7 outermost valence electrons. Beryllium: The structure showing 2 valence …BrF5 is an interhalogen compound of Bromine and Fluorine. It has a Lewis structure of Bromine with 12 valence electrons and 5 Fluorine atoms in a square pyramidal shape. The hybridization of the central atom is sp3d2 and the bond angles are 90°. Learn more about the molecular geometry, valence electrons, formal charges and properties of BrF5. SO42- Lewis Structure, Hybridization, Bond Angle and Molecular Geometry. SO42- is a chemical name for the sulfate ion. It comprises one Sulphur atom, four Oxygen atoms, and a charge of -2. It is a polyatomic anion and is used widely to synthesize other sulfates such as Zinc Sulfates, Magnesium sulfates, Iron sulfates, and much more.To sketch the BF3 Lewis structure by following these instructions: Step-1: BF3 Lewis dot Structure by counting valence electrons on the boron atom. Step-2: Lewis Structure of BF3 for counting valence electrons around the terminal fluorine atom. Step-3: Lewis dot Structure for BF3 generated from step-1 and step-2.Bromine pentafluoride. Molecular Formula BrF. Average mass 174.896 Da. Monoisotopic mass 173.910339 Da. ChemSpider ID 23008.Apr 16, 2563 BE ... ... Lewis Structure is a good one ... Lewis Structure of IF5 (or BrF5, IBr5, ICl5, BrCl5...) chemistNATE ...In the BrF 3 Lewis structure, there are three single bonds around the bromine atom, with three fluorine atoms attached to it. Each fluorine atom has three lone pairs, and the bromine atom has two lone pairs. Contents. Steps #1 First draw a rough sketch #2 Mark lone pairs on the atoms #3 Calculate and mark formal charges on the …In the Lewis structure for SiBr4, Si has bond(s) and lone pair(s) while each Br has bond(s) and lone pair(s). Write Lewis formulas for the following: a. ClF_3. b. BrF_5. The complete Lewis structure of CCl2O will have: a) at least one lone pair on each atom b) at least one double bond c) both polar and nonpolar bonds d) resonance forms Figure 15.4.3 15.4. 3: The ammonium ion. When drawing the Lewis structure of a polyatomic ion, the charge of the ion is reflected in the number of total valence electrons in the structure. In the case of the ammonium ion: 1 N 1 N atom = 5 = 5 valence electrons. 4H 4 H atoms = 4 × 1 = 4 = 4 × 1 = 4 valence electrons.Lewis structure of NH4+ ion (or Ammonium ion) contains four single bonds between each Nitrogen (N) and Hydrogen (H) atoms. The Nitrogen atom (N) is at the center and it is surrounded by 4 Hydrogen atoms (H). The Nitrogen atom has +1 formal charge. Let’s draw and understand this lewis dot structure step by step. (Note: Take a pen and …

. Public lakes near me to fish

brf5 lewis structure

Jan 5, 2564 BE ... A step-by-step explanation of how to draw the BrI5 Lewis Dot Structure (Bromine pentaiodide). For the BrI5 structure use the periodic table ...Key Points To Consider When Drawing The SCl4 Structure. A three-step approach for drawing the SCl4 Lewis structure can be used. The first step is to sketch the Lewis structure of the SCl4 molecule, to add valence electron around the sulfur atom; the second step is to valence electron to the four chlorine atoms, and the final step is to combine the …Are you wondering about termites and structural property damage? Learn about termites and structural property damage in this article. Advertisement Termites. They're as small as an...John Lewis was not just a civil rights icon; he was also a remarkable leader who left a lasting impact on those around him. His dedication to justice, his unwavering commitment to ...The best Lewis structure should have each atom with a neutral charge (0). The formula for calculating formal charge is given below:-1. Let us count the total number of valence electrons for the molecule KrF2. Kr belongs to group 8. Group 8 consists of noble gases which are highly stable and so have 8 valence electrons. F belongs to group 7 and …In BrF 5, one 4s, three 4p and two 4d orbitals take part in hybridization. The central atom bromine forms 5 sigma bonds with fluorine atoms. There are six electron pairs around the central atom, out of which five are bond pairs and one is lone pair. According to VSEPR theory, the geometry of the molecule is octahedral, but the shape is square ... In the Lewis structure for SiBr4, Si has bond(s) and lone pair(s) while each Br has bond(s) and lone pair(s). Write Lewis formulas for the following: a. ClF_3. b. BrF_5. The complete Lewis structure of CCl2O will have: a) at least one lone pair on each atom b) at least one double bond c) both polar and nonpolar bonds d) resonance forms Drawing the Lewis Structure for BrF 3. Video: Drawing the Lewis Structure for BrF 3. For the BrF 3 Lewis structure, calculate the total number of valence electrons for the BrF 3 molecule. There are a total of 28 valence electrons for the BrF 3 Lewis structure. After determining how many valence electrons there are in BrF 3, place them around the …Brf5 risonanza della struttura di lewis. In Struttura di Lewis di Brf5 è composto da 42 elettroni di valenza. Possiamo distribuire il guscio di valenza attorno al nucleo per riempire gli strati più esterni di ciascun atomo una volta che sappiamo quanti ce ne sono in Brf5. Non c'è risonanza osservata in Brf5 e non esistono isomeri in Brf5.This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: Draw the Lewis structure for BrF5 in the window below and then answer the questions that follow. Is BrF5 polar or nonpolar? _________polarnonpolar. Feb 25, 2013 · Step-by-step video of how to get from the formula BrF5 to its Lewis structure and geometry. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: Draw a Lewis Structure for BrF5. What is the shape of the molecule and show the bond angles. Explain any deviations from ideal model bonds angles. Draw a Lewis Structure for BrF5. What is the shape of the molecule and show the bond angles.John Lewis is one of the UK’s leading retailers, offering a wide range of products from fashion to home furnishings. With so many products available, it can be difficult to find th....

Popular Topics