Question

What is the representation of element ( X ) having mass number 40 containing 22 neutrons.

• A. \({}^{40}_{20}\text{X}\)
• B. \({}^{40}_{18}\text{X}\)
• C. \({}^{40}_{18}\text{X}\)
• D. \({}^{40}_{22}\text{X}\)

Hint:

Formula: \(Z = A - N\)

Answer 1

The Correct Option is B