Which of the following statements is CORRECT?
i...
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.
i only
ii only
iii only
i and ii only
ii and iii only
Correct answer is B
No explanation has been provided for this answer.
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