Nuclear chemistry

Which type of nuclear radiation is this?

• alpha emission

• beta emission

• gamma emission

• electron capture

What particle completes this reaction?

• alpha particle
• beta particle
• gamma particle
• neutron

What makes something radioactive?

• elements with an atomic number above 81
• an unstable nucleus
• contaminated sewage
• It decays over time

A radioactive nuclide has a ____ stable nucleus than a non-radioactive nucleus of the same element.

• more

• less

• identical

• small

Show nuclear symbol for alpha particle.

Show nuclear symbol for neutron.

Show nuclear symbol for beta particle.

Which particle has zero charge and mass?

• alpha particle

• beta particle

• gamma particle

• electron

Complete the reaction.