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What is the atomic number of the element with the symbol 'Na'?

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Question: What is the atomic number of the element with the symbol \'Na\'?

Options:

  1. 11
  2. 12
  3. 13
  4. 14

Correct Answer: 11

Solution: 

Sodium (Na) has an atomic number of 11.

What is the atomic number of the element with the symbol 'Na'?

Practice Questions

Q1
What is the atomic number of the element with the symbol 'Na'?
  1. 11
  2. 12
  3. 13
  4. 14

Questions & Step-by-Step Solutions

What is the atomic number of the element with the symbol 'Na'?
  • Step 1: Identify the symbol 'Na'.
  • Step 2: Recognize that 'Na' stands for the element Sodium.
  • Step 3: Look up the atomic number for Sodium in the periodic table.
  • Step 4: Find that the atomic number of Sodium is 11.
  • Atomic Number – The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.
  • Element Symbols – Each chemical element is represented by a unique one or two-letter symbol, such as 'Na' for sodium.
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