Module 18

Choose the ionic compound from the list below

• H₂O

• CO

• KI

Predict the formula for calcium hydroxide

• Ca(OH)₂

• Ca₂OH

• CaOH
• Ca(OH)₃

How many polyatomic ions of sulfate are found in ammonium sulfate?

• 1

• 2

• 3

• 4

An ionic bond forms between a ________ and a nonmetal

• nonmetal

• metalloid

• metal

• halogen

A covalent bond forms between two or more _________.

• Nonmetals

• Metals

• Metalloids

A molecule with a slightly positive and a slightly negative end is called a ___________ molecule

• covalent
• nonpolar
• polar
• ionic

A molecule is formed from a(n) ________ bond.

• ionic
• hydrogen
• metallic
• covalent

A covalent bond in which the electrons are shared equally is called a ____________ bond.

• nonpolar
• metallic
• polar
• ionic

Is carbon monoxide a(n) ionic or covalent bond?

• ionic
• covalent

Iodine heptafluoride contains how many atoms of fluoride?

• 5

• 6

• 7

• 8