Roe Unit 2 Review

Front

What do atoms that form positive ions tend to do?

Back

Atoms that form positive ions tend to lose electrons.

Front

What is the charge on the calcium ion?

Back

The charge on the calcium ion is 2+.

Front

Identify the phosphide ion.

Back

The phosphide ion is P³⁻.

Front

When atoms bond together, a _________ is formed.

Back

When atoms bond together, a compound is formed.

Front

How do the following two elements bond together? K¹⁺ S²⁻

Back

The two elements bond together to form K₂S.

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Front

What is the difference between cations and anions?

Back

Cations are positively charged ions that lose electrons, while anions are negatively charged ions that gain electrons.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements bond together chemically.

Front

What is the charge of a sodium ion?

Back

The charge of a sodium ion is 1+.

Front

What is the formula for magnesium oxide?

Back

The formula for magnesium oxide is MgO.