SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Ni
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N
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7
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14
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21
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Detailed explanation-1: -As you wanted to know; Nitrogen is the chemical element with the symbol N and atomic number 7.
Detailed explanation-2: -Nitrogen is a chemical element with symbol N and atomic number 7.
Detailed explanation-3: -And we know that the atomic number of nitrogen is 7, so, the number of protons in nitrogen is 7. The number of electrons in an atom is always equal to the number of protons. So, in nitrogen-15, the number of protons in the nucleus are seven and thus, the number of electrons revolving around the nucleus is also seven.
Detailed explanation-4: -Nitrogen has the atomic number 7. This means that nitrogen has 7 protons. Nitrogen also has a mass number of 14.
Detailed explanation-5: -Nitrogen is atomic number 7, which means each nitrogen atom has 7 protons. Its element symbol is N.