Nuclear Chemistry

What is a common misconception about radioactivity?

• It only produces electricity.

• It can only mutate genes and melt faces.

• It is completely harmless.

• It is the same as chemical reactions.

Tags

NGSS.HS-PS1-8

What happens when protons and neutrons in an atom change?

• The atom releases a large amount of energy.

• The atom releases a small amount of energy.

• The atom becomes unstable.

• The atom remains the same.

Tags

NGSS.HS-PS1-8

Why are radioactive elements still present on Earth?

• They are immune to decay.

• They decay into other radioactive elements.

• They have very short half-lives.

• They are constantly being created.

Tags

NGSS.HS-PS1-8

What is released during alpha decay?

• A gamma ray

• A neutron

• An electron

• A helium nucleus

Tags

NGSS.HS-PS1-8

Which element undergoes spontaneous fission at a useful rate?

• Thorium-234

• Nickel-60

• Californium-254

• Uranium-238

Tags

NGSS.HS-PS1-8