Atomic Structure

Whereabouts in an atom would you find protons?

• In the nucleus

• In the electron cloud

• In the outer shell

• In the atomic orbitals

Whereabouts in an atom would you find neutrons?

• In the nucleus

• In the electron cloud

• In the outer shell

• In the atomic orbitals

Whereabouts in an atom would you find electrons?

• In the nucleus

• Orbiting the nucleus at a distance

• In the proton

• In the neutron

What name is given to the process when an atom breaks down and emits ionising radiation?

• Nuclear fusion

• Radioactive decay

• Ionization

• Fission

The name of the machine we use to detect radiation is:

• Geiger counter

• Thermometer

• Barometer

• Seismograph

Gamma radiation is a form of:

• Alpha particles

• Beta particles

• Electromagnetic radiation

• Neutrons

Alpha radiation is composed of:

• protons and neutrons

• electrons

• neutrinos

• photons

Beta radiation is described as:

• a type of electromagnetic radiation

• a stream of electrons

• a form of sound wave

• a type of gravitational wave

Which type of ionising radiation travels the shortest distance in air?

• Alpha particles

• Beta particles

• Gamma rays

• Neutrons

Which type of ionising radiation is the most penetrating?

• Alpha particles

• Beta particles

• Gamma rays

• Neutrons