AQA Trilogy Atomic Structure

What is the relative charge of a neutron?

• +1

• -1

• 0

• +2

What is the mass number of an atom with 11 protons and 12 neutrons?

• 11

• 12

• 23

• 22

What is the electron configuration of a sodium atom (atomic number 11)?

• 2,8,1

• 2,8,2

• 2,7,2

• 2,6,3

Who discovered the nucleus through the gold foil experiment?

• Dalton

• Bohr

• Rutherford

• Thomson

Which subatomic particles are found in the nucleus?

• Protons and electrons

• Neutrons and electrons

• Protons and neutrons

• Electrons only

What is the charge on an alpha particle?

• +1

• +2

• -1

• 0

Which type of radiation is the most penetrating?

• Alpha

• Beta

• Gamma

• Neutron

Which type of radiation is the most ionising?

• Alpha

• Beta

• Gamma

• X-rays

What is the symbol for a beta particle?

• 𝛼 α

• 𝛽 β

• 𝛾 γ

• 𝛿 δ

Which of the following is a use of gamma radiation?

• Smoke detectors

• Paper thickness control

• Sterilising medical equipment

• Dating fossils