Which compound likely has a higher melting point, aluminum chloride AlCl3 or Phosphorus trichloride PCl3? Use the periodic table to support your claim.

Q: Define the term 'crystal lattice.’

A: Crystals- These are the atoms or group of atoms which are arranged and placed in an ordered 3-D…

Q: Estimate the boiling point of CS2.

A: Given: CS2

Q: 20. How many domains are there around the central atom in H2O? A. 1 B. 2 C. 4 D. 3

A: To tell the number of domains around the central atom.

Q: What is the type of interactions holding Sr atoms together in the crystal?

A: Strontium (Sr) with atomic number 38 is a metal and it exists in crystal form.

Q: Draw a single resonance hybrid structure for SiO32-

A: Movements of electrons are only possible when there are lone pair of electrons or pi-bonds and the…

Q: How is the chemical bonding within a molecule of carbon dioxide (CO2) different from the chemical…

A: In a carbon dioxide molecule, a  carbon atom is joined by 4 covalent bonds with the two oxygen atoms…

Q: How many sigma bonds are present in  [Ti(H2O)6]³+?

A:

Q: Determine the theoretical density for Ti element, which is HCP structure, atomic mass 47.867 g/mol,…

A: For HCP structure of titanium, Ti, the relationship between radius and edge length is - a = 2R Here,…

Q: 3. Classify each of the following species as metallic, network covalent, ionic, or molecular (a)W…

A: following species will be listed as:

Q: Using your knowledge of molecular structure, identify the main intermolecular force in the following…

A:

Q: What type of bonding would you expect in each of the following? CaF2  BrO2 Ionic, covalent, or…

A: In the outer shell of Calcium they have two electrons while fluorine has seven electrons. They…

Q: Which of the following is held together by only covalent bonds? a) NaBr b)MgS c)NF3 d) BaSO4

A: We have to choose the following given compounds is held together by only covalent bonds as follows…

Q: 21. Phosphorus trichloride, :PClI, has the following molecular shape. A. tetrahedral B. trigonal…

A: To know the shape of a molecule we  should have idea of VSEPR theory and the type of hybridisation…

Q: Use the VSEPR method to predict the structure of the CS2 molecule.

A:

Q: Why water has the highest boiling point compare with hydrogen floride (HF) , and ammonia (NH3)?

A: Boiling point depends on two factors: Electronegativity of the central atom. Number of H-bonds…

Q: what type of lattice does the ionic compound Ba3N2 belong?

A: Types of lattice energy does not make any sense. The lattice energy is the energy required to…

Q: 12. Which of the following compounds would form from Fe+3 and S-2? A. Iron(II) sulfate B. Iron(III)…

A: Fe3+ or ferric or Fe(III)   +  S2- sulphide we get  Fe2 S3 ferric sulphide or iron (III) sulphide…

Q: Draw the Lewis structures for the phosphorus halides PCl3  and PCl5 . Describe their VSEPR shape.

A: The Lewis structures of phosphorus halides PCl3 and PCl5 are given as follows:

Q: Benzene (C6H6) is an organic compound, and KCl is an ionic compound. The sum of the masses of the…

A: Ionic compounds are formed by the interaction of ions whereas covalent compounds are formed by…

Q: Ammonium chloride, NH4Cl, is a very soluble salt in water.Is there an N—Cl bond in solid ammonium…

A: Given, Ammonium chloride, NH4Cl, is a very soluble salt in water

Q: How do the physical properties of a network covalent solidand a molecular covalent solid differ?…

A: Molecular solids: In molecular solids, van der Waals forces, hydrogen bonds or both hold most of the…

Q: Which is the most likely molecular structure for the nitrite (NO2-) ion?

A: Lewis structures, also known as Lewis dot diagrams, Lewis dot formulas, Lewis dot structures,…

Q: Which statement explains why a rubber band analogy is not a perfect comparison for bonds in a…

A: Rubber band is not a crystalline solid it is a amorphous solid so we can say that rubber band do not…

Q: carbon dioxide is transparent to visible light and opaque to infrared radiation true or false?

A: CO2 is the main reason of the green house effect since it reflects (IR) infrared radiated nightly…

Q: Predict the shape of SiF4,SF4 and XeF4 molecules. Explain why the shapes differ.

A: Shape of SiF4, SF4 and XeF4 = ?  Explain why shape is different.

Q: Which of the following compounds forms a covalent network solid? (A) PbO2 (B) SiO2 (C) TiO2 (D) All…

A: Quartz(SiO2) is a continuous framework of tetrahedral. SiO2 in its crystalline form.

Q: In the BCC crystal structure, atoms touch along which direction? O [111] O [011] O (001) O (111) O…

A: In this question, we have to choose the correct answer from the given option.

Q: Van der Waals bonds occur in many molecules, but hydrogen bonds occur only with materials that…

A: Atoms are held together in a molecule because of some attractive and repulsive forces. These forces…

Q: (1) Write electron dot structure for sodium, magnesium and oxygen?(2) Show formation of Na2O and MgO…

A: Electron dot structure, also known as Lewis dot structure is a type of valence electron…

Q: Which has the smallest radius of the following? O Mn O Mn 2+ Mn 3+ jes.

A: As the positive charge increase on element radius decreases due to increase in  nuclear charge. So,…

Q: For each matchup below state which one has the higher melting/boiling point and state why. H20 vs…

A: The boiling point of any compound is the temperature at which the vapor pressure of the compound…

Q: If PF3 is covalent, state its structure using the VSEPR model, and if the molecule is polar or…

A: PF3 is a covalent compound which is formed by sharing of electrons between the phosphorus and…

Q: Why carbon does have a larger tendency of catenation than silicon although they have same number of…

A: To explain why carbon has a higher tendency of catenation than silicon even after both have the same…

Q: Why does anions are more polarizable than cations?

A: The species formed by lose of electron and having positive charge is termed as cations. The species…

Q: Which of the following has the largest covalent radius ?   Mg Ca Sr Ba

A: Covalent radius of an element is defined as the half of the internuclear distance between two atom…

Q: Explain why the bond angles in BCl3  and NCl3  are different.

A: Molecular geometry is the 3-D representation of the molecule in a space. In terms of electron…

Q: 3. Calculate the radius of tantalum atom, given that Ta has a BCC crystal structure, a density of…

A: Density =16.6 gcm-3let length of the edge=a cmNumber of atoms per unit cell,Z=2(bcc)Atomic…

Q: If galena (Pbs) was defined by metallic bonds ,calculate the radius ratio between the two elements…

A: Introduction: The radius ratio is the ratio of the cation (smaller ion) and that of the anion…

Q: Why the radius of Fe+2 is greater than Fe+3?

A: The distance from the nucleus to the outer most shell of an atom is called as the atomic radius. As…

Q: The attractive force between a pair of Sr2+ and O2- ions is 1.52 x 108 N and the ionic radius of O2-…

A:

Q: How is the chemical bonding within a molecule of carbon dioxide different from chemical bonding…

A: Chemical bond is lastic attraction between atoms, ions or Molecules that enables the formation of…

Q: For each of the following pairs of substances, predict which member of the pair will have the higher…

A: Ionic compounds have strong electrostatic attractions between oppositely charged ions in an array.…

Q: what are the crystal structures of K2PtCl6, [Ni(H2O)6], [SiF6], CsCN

A: To determine the crystal structures of: 1) K2PtCl6, 2) [Ni(H2O)6] [SiF6], 3) CsCN

Q: Why does the SCOT process need to be integrated with the CLAUS Process?

A: Answer - SCOT Process - The SCOT process catalytically converts the remaining sulphur dioxide in…

Q: Q1. The net potential energy between two adjacent ions, EN, is represented by A В EN pn where En is…

A: 1. Given: The expression for net potential energy between two adjacent ions is as follows,…

Q: why SiF4, SF4, and XeF4 have different shapes and how to predict the shape of each molecule?

A: a) Lewis structure of SiF4 :- Total number of valence electron = 4 + 4(7) = 32 e- Central atom Si…

Q: 6. 7. 8. 9. 10. A substance is a brittle crystal that conducts electricity in molten liquid state…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: The Lewis structure for SiF,2 is shown. What is the electron-pair geometry around the central atom?…

A:

Q: The cyclosilicate ion consists of three silicate tetrahedralinked together in a ring. The ion…

A: