Nuclear Reactions

Which particles are in the nucleus of an atom?

• Electrons

• Protons

• Neutrons

• Megatrons

Tags

NGSS.HS-PS1-8

During nuclear reactions, the nucleus of an atom is (pick 2)...

• electrified.

• torn apart.

• burned up.

• merges with another nucleus.

Tags

NGSS.HS-PS1-8

In nuclear fission, the nucleus...

• heats up until it burn.

• splits up with the release of energy.

• fuses to form a heavier nucleus with the release of energy.

• accepts electrons with the release of energy.

Tags

NGSS.HS-PS1-8

During nuclear fusion, nuclei...

• heat until they burn up.

• split with the release of energy.

• fuse to form a heavier nucleus with the release of energy.

• accept electrons with the release of energy.

Tags

NGSS.HS-PS1-8

NGSS.HS-ESS1-1

Electrons not involved in nuclear reactions because ...

• their negative charge reduces the energy released during nuclear explosions.

• they are not in the nucleus.

• electrons will reverse nuclear explosions.

• electrons absorb too much of the energy produced.

Tags

NGSS.HS-PS1-8

Which of the following nuclei would be an isotope of Sodium (Atomic Number 11)?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-8

In Carbon-14, how many protons are there?

• 4

• 14

• 6

• 7

Answer explanation

Carbon has 6 protons.

Mass number = P + N

14 = 6 + 8

Tags

NGSS.HS-PS1-8