Question

What is the difference between the number of neutrons in an atom of iridium, Ir, with a mass number of 193, and the number of neutrons in an atom of plutonium, Pu, with a mass number of 244?

Answer 1

Answer: 150-116 = 34

Explanation: no. of neutrons in Ir ⇒ 193-77= 116

no. of neutrons in Pu ⇒ 244-94 = 150

so diffrence is 34