LQ36 writing formulae

Front

What is the formula for iron(III) oxide?

Back

Fe₂O₃

Front

What is the correct chemical formula for magnesium phosphide?

Back

Mg₃P₂

Front

What is the chemical formula of magnesium hydroxide?

Back

Mg(OH)₂

Front

What is the correct formula for ammonium carbonate?

Back

(NH₄)₂CO₃

Front

What is the formula for copper (II) oxalate?

Back

CuC₂O₄

Front

Define the term 'ionic compound'.

Back

An ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding.

Front

What is the significance of subscripts in a chemical formula?

Back

Subscripts indicate the number of atoms of each element in a compound.

Front

Explain the difference between a molecular formula and an empirical formula.

Back

A molecular formula shows the actual number of atoms of each element in a molecule, while an empirical formula shows the simplest whole-number ratio of the elements.

Front

What is the formula for sodium sulfate?

Back

Na₂SO₄

Front

What is the formula for potassium chloride?

Back

KCl