Unit 11: Bonding

Nonmetals will ____ electrons to become ____ ions.

• Lose, positive

• Gain, negative

• Lose, negative

• Gain, positive

Alloys are used rather than pure metals because they are

• more durable

• more corrosive

• less durable

• more brittle

The three dots in the Lewis dot diagram for Aluminum indicate that it

• can covalently bond with three other atoms

• can only form triple covalent bonds

• has three valence electrons

• has an electronegativity value of 3

What is the overall charge of the ionic compound MgI₂?

• +1

• +2

• -1

• 0

Which of the following characteristics is true for compounds with ionic bonds?

• High melting point

• Low melting point

• solids are good conductors of electricity

• electrons are shared between atoms

Which compound is ionic?

• CaCl₂

• N₂O

• HCl

• SO₂

Which Noble Gas does Chlorine resemble when it forms ionic bonds? (When it becomes an ion)

• Ne

• He

• Xe

• Ar

Which type of chemical bond is indicated by an electronegativity value of 0?

• Ionic

• Polar Covalent

• Non-polar covalent

• Metallic

How many electrons will magnesium transfer to oxygen in the formation of the ionic compound MgO?

• 1

• 2

• 0

• 4

Metals will ___ electrons to become ___ ions.

• Lose, positive

• Gain, negative

• Lose, negative

• Gain, positive