Chemical Bonds

What type of bond involves the sharing of electrons between atoms?

• covalent bond

• ionic bond

• metallic bond

• transfer bond

Identify the following compound as ionic or covalent: CF₄

• ionic

• covalent

A bond between a nonmetal and a nonmetal is called a(n)

• covalent bond

• ionic bond

• metallic bond

• transfer bond

Identify the following compound as ionic or covalent: MgO

• ionic

• covalent

A bond between a metal and a nonmetal is called a(n)

• covalent bond

• ionic bond

• metallic bond

• transfer bond

When two nonmetals do not share electrons evenly, the resulting covalent bond will be

• nonpolar

• polar

• ionic

• metallic

Which category of elements usually form negative ions?

• metals

• nonmetals

• metalloids

• noble gases

According to the octet rule most elements need _______ valence electrons.

• 2
• 8
• 6
• 18

The positive ions tend to _____________ electrons.

• lose

• gain

The negative ions tend to _____________ electrons.

• lose

• gain