An argon isotope has a mass number of 40 (A = 40). How many neutrons does it

Question:

An argon isotope has a mass number of 40 (A = 40). How many neutrons does it contain?

(a) 40 

(b) 18 

(c) 22

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  answer-question
Question Posted: