SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Atomic number = ____
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No. of protons
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No. of neutrons
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Protons + Neutrons
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None of the above
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Explanation:
Detailed explanation-1: -The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present).
Detailed explanation-2: -The atomic number is the number of protons in an atom, and isotopes have the same atomic number but differ in the number of neutrons.
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