chemical nomenclature and formula writing

Front

What is chemical nomenclature?

Back

Chemical nomenclature is a set of rules used for naming chemical compounds and substances.

Front

What is the formula for magnesium hydroxide?

Back

Mg(OH)₂

Front

How do you write the formula for sodium phosphate?

Back

Na₃PO₄

Front

What is the formula for chlorine dioxide?

Back

ClO₂

Front

What is the formula for ammonium sulfate?

Back

(NH₄)₂SO₄

Front

What is phosphorus trichloride?

Back

Phosphorus trichloride is a chemical compound with the formula PCl₃.

Front

What is the significance of parentheses in chemical formulas?

Back

Parentheses indicate that the enclosed group of atoms is a polyatomic ion and may be multiplied by a subscript.

Front

What is a polyatomic ion?

Back

A polyatomic ion is a charged species composed of two or more atoms covalently bonded.

Front

How do you determine the charge of a monatomic ion?

Back

The charge of a monatomic ion is determined by the number of electrons lost or gained compared to the neutral atom.

Front

What is the formula for a compound formed from sodium and chlorine?

Back

NaCl (sodium chloride) is formed from sodium and chlorine.