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What is the atomic mass of Sodium (Na)? (2021)

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Question: What is the atomic mass of Sodium (Na)? (2021)

Options:

  1. 22.99
  2. 23.00
  3. 24.00
  4. 25.00

Correct Answer: 22.99

Solution: 

The atomic mass of Sodium (Na) is approximately 22.99 u.

What is the atomic mass of Sodium (Na)? (2021)

Practice Questions

Q1
What is the atomic mass of Sodium (Na)? (2021)
  1. 22.99
  2. 23.00
  3. 24.00
  4. 25.00

Questions & Step-by-Step Solutions

What is the atomic mass of Sodium (Na)? (2021)
  • Step 1: Understand that atomic mass is the mass of an atom measured in atomic mass units (u).
  • Step 2: Look up the atomic mass of Sodium (Na) in a periodic table or a reliable scientific source.
  • Step 3: Find that the atomic mass of Sodium (Na) is listed as approximately 22.99 u.
  • Step 4: Conclude that the atomic mass of Sodium (Na) is approximately 22.99 u.
  • Atomic Mass – The atomic mass is the weighted average mass of an element's isotopes, measured in atomic mass units (u).
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