U3 Ch. 6 Quiz

Molecular compounds tend to have relatively ______ melting points, are _________, and _____ conduct electricity when melted or dissolved.

• high, malleable, do

• high, brittle, do

• low, malleable, do not

• low, brittle, do not

The shape of methane (CH4) is:

• trigonal planar

• tetrahedral

• bent

• trigonal pyramidal

What is the correct name of Cl^-1

• chlorate

• chloride

• chlorite

• percholrate

Oxygen is a nonmetal in group 6A or 16. Oxygen typically forms an ion

• O⁺²

• O^-2

• O⁺⁶

• O^-6

Nitrogen Gas (N₂) has a triple covalent bond between the two nitrogen atoms. A triple bond is ________ and _________ than a single bond.

• shorter, weaker

• shorter, stronger

• longer, weaker

• longer, stronger

What is the correct Lewis structure for hydrogen chloride, HCl?

• A

• B

• C

• D

VSEPR theory is a model for predicting

• the shape of molecules.

• the strength of metallic bonds.

• ionization energy.

• lattice energy values.

Atoms that share electrons unequally forms a bond called ____.

• ionic

• polar covalent

• nonpolar covalent

• hydrogen bond

IMF's are intermolecular forces. Which list the IMF's in order from strongest to weakest forces?

• London dispersion force, Dipole to Dipole, Hydrogen bond

• Dipole to Dipole, Hydrogen Bond, London dispersion force

• Hydrogen Bond, London dispersion force, Dipole to Dipole

• Hydrogen Bond, Dipole to Dipole, London dispersion force

The lattice energy is a measure of the

• strength of an ionic bond.

• strength of a covalent bond.

• strength of a metallic bond.

• net charge on a crystal.