engineering chemistry MCQ #994

The number of electrons in the nth shell is given by 2n². What is the number of electrons in the 4th shell?

engineering chemistry MCQ #994

  1. Question 1

    Q1. The number of electrons in the nth shell is given by 2n². What is the number of electrons in the 4th shell?

    • A) 16
    • B) 32
    • C) 50
    • D) 72

    Answer: 32

    Explanation: Using 2n², for n = 4, we get 2 * 4² = 2 * 16 = 32.