Which of the following statements is CORRECT? i. the mass number is equal to the total number of protons and electrons in an atom. ii. the atomic number is equal to the number of protons in an atom. iii. the number of electrons in an atom is equal to the total number of protons and neutrons in the nucleus.
a
i only
b
ii only
c
iii only
d
i and ii only
e
ii and iii only
Explanation
Correct Option
bNo explanation available
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