What is the maximum number of electrons in the n=2 shell?

Practice Questions

Q1
What is the maximum number of electrons in the n=2 shell?
  1. 2
  2. 4
  3. 8
  4. 6

Questions & Step-by-Step Solutions

What is the maximum number of electrons in the n=2 shell?
  • Step 1: Understand that 'n' represents the energy level or shell number in an atom.
  • Step 2: Identify that for the n=2 shell, 'n' is equal to 2.
  • Step 3: Use the formula for the maximum number of electrons in a shell, which is 2(n^2).
  • Step 4: Substitute 'n' with 2 in the formula: 2(2^2).
  • Step 5: Calculate 2^2, which equals 4.
  • Step 6: Multiply 2 by 4: 2 * 4 = 8.
  • Step 7: Conclude that the maximum number of electrons in the n=2 shell is 8.
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