Chapter 6 Test Review

Why do atoms bond?

• to lose stability and gain energy

• to gain stability and lose energy

• to transfer electrons

• to share electrons

An atom becomes more stable by bonding with another atom if the resulting electrons configuration is more like that of what group of elements?

• alkali metals

• noble gases

• halogens

• metalloids

Chemical bonds between atoms involve the rearrangement of __________ to maximize stability.

• protons

• neutrons

• electrons

• neutrinos

A bond that forms between two or more atoms that have high electron affinities is most likely a(n) ____________ bond.

• covalent

• ionic

• metallic

• delocalized

Which of the following is a nonpolar covalent compound?

• NaCl

• Br₂

• HCN

• Au

What type of bond would you expect to form between nitrogen and potassium?

• ionic

• covalent

• polar covalent

• metallic

Which of the following does not exist as a diatomic molecule?

• argon

• hydrogen

• chlorine

• oxygen

If the atoms below formed a covalent compound, which is most likely to be the central atom?

• hydrogen

• carbon

• oxygen

• nitrogen

Which of these is not a covalent molecule?

• F₂

• CO

• LiF

• NH₃

How many double bonds are found in the molecule AsCl₃?

• 0

• 1

• 3

• 4