Unit 6 Ionic and Metallic Bonds Review

What on the periodic table can we use to determine the number of valence electrons in an atom of a representative element?

• Group number
• Period
• Block
• State
• Atomic mass

How do cations form?

• When atoms lose electrons.
• When atoms gain electrons.
• When atoms lose protons.
• When atoms gain protons.

How do anions form?

• When atoms lose electrons.
• When atoms gain electrons.
• When atoms lose protons.
• When atoms gain protons.

Atoms of what type of element tend to gain electrons?

• Metals
• Metalloids
• Nonmetals

Atoms of what type of element tend to lose electrons?

• Metals
• Metalloids
• Nonmetals

What is the charge on the carbide ion?

• 4-
• 4+
• 6-
• 6+

How many electrons will bromine gain or lose when forming the bromide ion?

• Gain 1
• Lose 1
• Gain 7
• Lose 7

What is the electric charge for an ionic compound?

• 1+
• 0
• 1-
• It varies from compound to compound.

Which property is NOT true of ionic compounds?

• They are usually solids at room temperature.
• They tend to have high melting points.
• They conduct an electric current when melted or dissolved in water.
• They never form crystals.

How do chemists model the valence electrons within a pure metal?

• Metal cations surrounded by a sea of mobile valence electrons.
• Metal anions surrounded by a sea of mobile valence electrons.
• Metal cations surrounded by a sea of mobile valence protons.
• Metal anions surrounded by a sea of mobile valence protons.