Radioactive Decay Quiz

What happens to the atomic and mass numbers during alpha decay?

• Atomic number decreases by 2, mass number decreases by 4

• Atomic number decreases by 1, mass number stays the same

• Atomic number stays the same, mass number decreases by 4

• Atomic number increases by 2, mass number increases by 4

In beta minus decay, what particle is emitted along with an electron?

• Positron

• Proton

• Neutron

• Electron antineutrino

During beta minus decay, what change occurs in the atomic number?

• It decreases by 1

• It increases by 1

• It stays the same

• It decreases by 2

What is emitted during beta plus decay?

• Electron and neutrino

• Positron and neutrino

• Neutron and antineutrino

• Proton and neutrino

In beta plus decay, what happens to the atomic number?

• It decreases by 2

• It increases by 1

• It decreases by 1

• It stays the same

What is the primary characteristic of gamma decay?

• Change in atomic number

• Emission of a positron

• Emission of a high-energy photon

• Change in mass number

During gamma decay, what change occurs in the element?

• Mass number changes

• Atomic number changes

• Both atomic and mass numbers change

• No change in element

In a complex decay problem, if the atomic number increases by 1, what type of decay is likely occurring?

• Gamma decay

• Beta plus decay

• Beta minus decay

• Alpha decay

If a decay process results in the mass number decreasing by 4, what type of decay is this?

• Gamma decay

• Beta plus decay

• Alpha decay

• Beta minus decay

In a decay problem, if the atomic number decreases by 1, what type of decay is occurring?

• Gamma decay

• Beta plus decay

• Beta minus decay

• Alpha decay