An ionic compound formed from positive and negative ions electrostatically attracted to each other.

Shows the simplest whole number ratio of atoms of each element in a compound.

A chemical reaction between an acid and base, producing a solution of a metal salt and water.

Describing salts

Chemistry

In the Electrolysis unit, pupils will build on their understanding of chemical reactions to explore the process of electrolysis and its applications.

In the Acids and Bases unit, pupils learned about the properties of acids, bases, and alkalis, and the reactions between them to form salts and water.

Making salts

A base reacts with a base to form a salt.

An acid reacts with a base to form a salt and water.

An acid reacts with an acid to form a salt.

What happens during a neutralisation reaction?

A substance that forms a gas when it reacts.

A substance that reacts with an acid to form a salt.

Which of the following best describes the structure of a salt?

It provides the ratio of metal to non-metal ions.

It shows how the ions are arranged in the lattice.

What is the significance of the empirical formula of a salt?

The ions react with water to form a new compound.

The ions separate and disperse throughout the solution.

What happens to the ions in a salt when it dissolves in water?

Match the name of the acid to its correct chemical formula.

Pair each of the following terms with one of the statements

A base reacts with another base to form a new element.

An acid reacts with an acid to form a gas.

Which ion is common in alkaline solutions?

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