SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How many protons does the elemental atom of nitrogen contain?
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4
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7
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14.0
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21
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Explanation:
Detailed explanation-1: -A nitrogen atom contains 7 protons, 7 electrons and 7 neutrons.
Detailed explanation-2: -Answer and Explanation: A nitrogen atom has seven protons in its nucleus. This answer is true for every nitrogen atom in existence, regardless of what isotope of nitrogen it is. We know this because it is the number of protons in the nucleus that determines the element of the atom.
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