Question

Which of the following are true for an element?

(i) Atomic number = number of protons + number of electrons

(ii) Mass number = number of protons + number of neutrons

(iii) Atomic mass = number of protons = number of neutrons

(iv) Atomic number = number of protons = number of electrons



(a) (i) and (ii) (b) (i) and (iii) (c) (ii) and (iii) (d) (ii) and (iv)​

Answer 1

Option (b) is correct

(i) and (iii) are wrong statements

Answer 2

Answer:

Option (b) is correct

(i) and (iii) are wrong statements

Explanation: