Chemistry Chapter 4 and 5 Review

Front

What is the charge on the transition metal cation in CoS₂?

Back

Co⁺⁴

Front

What is the chemical formula for cobalt (II) nitrate?

Back

Co(NO₃)₂

Front

What is the correct formula for sodium sulfide?

Back

Na₂S

Front

What is the name of the compound Mg(NO₃)₂?

Back

Magnesium nitrate

Front

What is the chemical formula for Aluminum sulfate?

Back

Al₂(SO₄)₃

Front

What are transition metals?

Back

Elements that have partially filled d orbitals and can form variable oxidation states.

Front

Define ionic compound.

Back

A compound formed from the electrostatic attraction between positively and negatively charged ions.

Front

What is the significance of the Roman numeral in transition metal compounds?

Back

It indicates the oxidation state of the metal in the compound.

Front

What is a polyatomic ion?

Back

An ion composed of two or more atoms bonded together, which carries a charge.

Front

What is the formula for calculating the number of moles?

Back

Number of moles = mass (g) / molar mass (g/mol).