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What is the atomic number of an element with 12 protons? (2020)

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Question: What is the atomic number of an element with 12 protons? (2020)

Options:

  1. 10
  2. 12
  3. 14
  4. 16

Correct Answer: 12

Exam Year: 2020

Solution: 

The atomic number of an element is defined as the number of protons in its nucleus. Therefore, an element with 12 protons has an atomic number of 12.

What is the atomic number of an element with 12 protons? (2020)

Practice Questions

Q1
What is the atomic number of an element with 12 protons? (2020)
  1. 10
  2. 12
  3. 14
  4. 16

Questions & Step-by-Step Solutions

What is the atomic number of an element with 12 protons? (2020)
  • Step 1: Understand what an atomic number is. The atomic number is the number of protons in the nucleus of an atom.
  • Step 2: Identify the number of protons given in the question. In this case, it is 12 protons.
  • Step 3: Conclude that the atomic number is equal to the number of protons. Since there are 12 protons, the atomic number is 12.
  • Atomic Number – The atomic number of an element is defined as the number of protons in its nucleus.
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