Quiz on Radioactive Decay and Nuclear Radiation

What is the process called when unstable nuclei become stable?

• Radioactive decay

• Chemical reaction

• Photosynthesis

• Nuclear fusion

What is the unit used to measure the rate of radioactive decay?

• Joule

• Watt

• Newton

• Becquerel

Which particle is the nucleus of a helium atom?

• Neutron

• Beta particle

• Gamma ray

• Alpha particle

What is a beta particle essentially?

• A proton

• A neutron

• An electron

• A photon

Which type of radiation is an electromagnetic wave?

• Beta particle

• Alpha particle

• Neutron

• Gamma ray

What is the term for the number of decays per second?

• Count rate

• Activity

• Amplitude

• Frequency

What is the symbol for an alpha particle?

• α

• β

• n

• γ

What is the symbol for a neutron?

• α

• β

• γ

• n

Which of the following is NOT a type of nuclear radiation?

• Alpha particle

• Beta particle

• Gamma ray

• Ultraviolet light

What is the process of radioactive decay described as?

• Predictable

• Random

• Controlled

• Linear