GCSE Nuclear Physics Quiz

What is the charge of a neutron?

• Positive

• Negative

• Neutral

• Variable

Which particle is found in the nucleus of an atom along with neutrons?

• Electron

• Proton

• Neutrino

• Positron

What is the process called when a nucleus splits into two or more smaller nuclei?

• Fusion

• Fission

• Decay

• Annihilation

Which type of nuclear reaction powers the sun?

• Chemical reaction

• Nuclear fission

• Nuclear fusion

• Radioactive decay

What is the term for the time it takes for half of a radioactive substance to decay?

• Half-life

• Full-life

• Decay period

• Radioactive period

Which of the following is NOT a type of radiation emitted by radioactive substances?

• Alpha

• Beta

• Gamma

• Delta

What is the main difference between alpha and beta radiation?

• Alpha particles are positively charged, while beta particles are negatively charged.

• Alpha particles are negatively charged, while beta particles are positively charged.

• Alpha particles are neutral, while beta particles are charged.

• There is no significant difference; they are the same.

What is the mass number of an atom defined as?

• The total number of protons

• The total number of neutrons

• The total number of protons and neutrons

• The total number of protons and electrons

Which is NOT a characteristic of gamma rays?

• They have the highest energy.

• They are charged particles.

• They have no mass.

• They can penetrate most materials.

What does the atomic number of an element represent?

• The number of neutrons in the nucleus

• The number of protons in the nucleus

• The total mass of the atom

• The number of electrons orbiting the nucleus