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In a nuclear reaction, what is conserved?

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Question: In a nuclear reaction, what is conserved?

Options:

  1. Mass only
  2. Charge only
  3. Mass and charge
  4. Energy only

Correct Answer: Mass and charge

Solution: 

In nuclear reactions, both mass and charge are conserved, according to the law of conservation of mass-energy and charge.

In a nuclear reaction, what is conserved?

Practice Questions

Q1
In a nuclear reaction, what is conserved?
  1. Mass only
  2. Charge only
  3. Mass and charge
  4. Energy only

Questions & Step-by-Step Solutions

In a nuclear reaction, what is conserved?
Correct Answer: Mass and charge
  • Step 1: Understand what a nuclear reaction is. It involves changes in the nucleus of an atom.
  • Step 2: Learn about conservation laws. These are rules that tell us certain quantities remain constant in a reaction.
  • Step 3: Identify the two main quantities that are conserved in nuclear reactions: mass and charge.
  • Step 4: Remember that mass conservation means the total mass before and after the reaction is the same.
  • Step 5: Understand that charge conservation means the total electric charge before and after the reaction is also the same.
  • Step 6: Conclude that in any nuclear reaction, both mass and charge must be accounted for and will not change.
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