Nuclear Chemistry

Which is not a part of an atom's nucleus?

• Neutron
• Proton
• Electron
• All are part of the nucleus

Tags

NGSS.HS-PS1-8

An isotope has a different number of

• electrons
• neutrons
• protons
• positrons

The average atomic mass for silicon will be closest to...

• Si-28 (92% abundance)
• Si-29 (5% abundance)
• Si-30 (3% abundance)

The Law of Conservation of Mass is not always followed with nuclear reactions.

• True
• False

Tags

NGSS.HS-PS1-8

What is not true about fission reactions at power plants?

• They are exothermic
• They produce a lot of energy
• They are uncontrolled and fast
• They are slow and controlled

Tags

NGSS.HS-PS1-8

About how much of our energy comes from coal?

• 5%
• 25%
• 50%
• 80%

Which nuclear power plant has not had a meltdown

• Three Mile Island (US)
• Chernobyl (Ukraine)
• Taishan (China)
• Fukushima (Japan)

What element is often used in nuclear reactions?

• Hydrogen
• Uranium
• Oxygen
• Mercury

Tags

NGSS.HS-PS1-8

What caused the nuclear meltdown in Fukushima?

• Earthquake destroyed the reactor
• Tsunami flooded the reactor
• Power outage shut down the cooling system
• None of the above

Tags

NGSS.HS-ESS3-1

Most nuclear reactors use:

• Fission
• Fusion

Tags

NGSS.HS-PS1-8