AQA atomic structure

What is in the nucleus of an atom

• Electrons and neutrons

• Electrons and protons

• Neutrons and protons

• Electrons, neutrons and protons

What is the relative charge of an electron

• +1

• 0

• -1

• Not known

How do electrons move to a higher energy level?

• By absorbing EM radiation

• By releasing radiation

• Not known

Nuclear fusion is when a large atom is split into 2 smaller atoms

• True

• False

A protons relative mass is the same as a neutron

• True

• False

Radioactive particles getting onto or into objects is called

• Contamination

• Irradiation

• Medical tracers

Nuclear fission

• A process that releases energy by joining 2 small nuclei together.

• A process that releases energy by splitting a large, unstable atom into smaller atoms

• The low-level radiation that is around us all the time.

There are 3 types of radiation. Alpha, ....... and gamma

The type of radiation that is a fast moving electron is...

• Alpha

• Beta

• Gamma

The type of radiation that is 2 protons and 2 neutrons

• Alpha

• Beta

• Gamma