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Atomic Number and Mass Number

Atomic number...

Question

Atomic number of nitrogen is 7 . The number of protons in Nitrogen atom is equal to ________.

A

14

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B

7

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C

21

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D

15

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Solution

The correct option is A 7
Since, atomic number $=$ Number of protons $=$ Number of electrons
Therefore, number of electrons in nitrogen $= 7$
Number of protons in nitrogen $= 7$

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