The atomic number of carbon is 6 and its atomic mass is 12. How many protons are there in the nucleus of carbon?
(A) 06 protons
(B) 12 protons
(C) 18 protons
(D) Zero protons
Correct Answer : 06 protons
Question Asked : SSC Combined Graduate Level Prelim Exam 2002
Explanation : There are six (6) protons equal to atomic number in Carbon-12. The 12 refers to the number of protons plus the number of neutrons i.e. mass number.
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Tags : Chemistry chemistry Question