Home » What would be the atomic number of the element in whose atom the K and L shells are full? Atomic Structure MCQs What would be the atomic number of the element in whose atom the K and L shells are full? January 8, 2022 24 Views Q. What would be the atomic number of the element in whose atom the K and L shells are full?A. 10B. 12C. 14D. 16Answer: 10