18.2 Types of Bonds

What elements generally make an ionic bond?

• metal and nonmetal
• 2 or more nonmetals
• metal
• none of the above

What elements generally make a covalent bond?

• metal and nonmetal
• 2 or more nonmetals
• metal
• none of the above

When forming an ionic bond, a metal atom

• Gains electrons to form a cation
• Loses electrons to form a cation
• Gains electrons to form an anion
• Loses electrons to form an anion

An ionic bond forms when 

• Valence electrons are shared
• a sea of mobile electrons surround the cations
• valence electrons are transferred between atoms
• none of the above

Predict the bond that will form between Be and F.

• Ionic
• Covalent

A chemical bond that is formed between oppositely charged ions.

• compound

• ion

• covalent bond

• ionic bond

The force that holds together atoms to form a substance.

• compound

• ion

• chemical bond

• ionic bond

Which of the following is a characteristic property of ionic compounds?

• They form crystalline solids and have low melting points.

• Form solids and gases at room temperature.

• They form hard crystals with high melting points.

• They are generally gases with extremely high boiling points.

A covalent bond in which electrons are shared unequally is

• polar.

• polyatomic.

• ionic.

• a double bond.

A compound formed as a result of electron sharing is called a(n)

• ionic compound

• ion

• molecule

• metal