GCSE chemistry

Front

What is the charge of a neutron?

Back

Neutrons have no charge (neutral).

Front

What does the symbol 'C' represent in the periodic table?

Back

Carbon.

Front

What is the best method to purify a salt solution?

Back

Filtration followed by evaporation of water.

Front

How many protons are in a carbon atom?

Back

6 protons.

Front

What are the three main particles that make up an atom?

Back

Protons, neutrons, and electrons.

Front

What is the charge of a proton?

Back

Protons have a positive charge.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the process of changing a liquid into a gas called?

Back

Evaporation.

Front

What is the purpose of filtration in chemistry?

Back

To separate solid particles from a liquid.