Nuclear Decay

What makes up the nucleus of an atom?

• Neutrons and Electrons

• Electrons and Protons

• Protons and Neutrons

How does the nucleus move?

• Vibrating

• Pulsating

• Rotating

• It doesn't move

The movement of the nucleus causes them to emit (give off) what?

• Nuclear energy

• Electromagnetic Energy

• Nuclear radiation

• Electromagnetic radiation

The emission of electromagnetic radiation is known as:

(choose 2)

• Nuclear reaction

• Forces

• Static electricity

• Nuclear decay

When nuclear decay occurs, atoms...

• change from one element to another

• break down

• die

• stay the same

What does transmutation mean?

• An element is becoming unstable

• An element is changing to a new one

• An element is expanding

Radioisotopes have a stable nucleus, which will not change.

• True

• False

Radioisotopes have an unstable nucleus, and can change at any time.

• True

• False

Which type of decay:

A nucleus ejects a cluster of two protons and two neutrons.

• Alpha Decay

• Beta Decay

• Gamma Decay

Which type of decay:

A Neutron is converted into a proton.

• Alpha Decay

• Beta Decay

• Gamma Decay