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What is the value of the principal quantum number (n) for an electron in the 4s

Practice Questions

Q1
What is the value of the principal quantum number (n) for an electron in the 4s orbital?
  1. 1
  2. 2
  3. 3
  4. 4

Questions & Step-by-Step Solutions

What is the value of the principal quantum number (n) for an electron in the 4s orbital?
  • Step 1: Understand what the principal quantum number (n) is. It tells us the energy level of an electron in an atom.
  • Step 2: Look at the notation of the orbital. The '4s' indicates the type of orbital and its energy level.
  • Step 3: Identify the number before the letter 's' in '4s'. This number is the principal quantum number (n).
  • Step 4: Conclude that for the 4s orbital, the principal quantum number (n) is 4.
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