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 neutrons+number of electrons

plz give me answer ​

Answer 1

Answer:

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Answer 2

Answer:

(ii) mass number=number of protons+number is neutrons

Explanation:

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