JAMB Chemistry 2007 Question 29

Question 29

Atomic Structure

How many electrons are in the L shell of 3115P?

  1. A.5
  2. B.8
  3. C.18
  4. D.2.
Show the answer and explanation

Answer: B (8)

Explanation

Phosphorus has 15 electrons arranged 2, 8, 5. The L shell is the second shell, which holds 8.