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  • The mass number of an anion, , is . If there are ten electrons in the anion, the number of neutrons is th

The mass number of an anion, X^{3-}, is 14. If there are ten electrons in the anion, the number of neutrons is the nucleus of its elemental form X_2 will be

Option: 1

10


Option: 2

14


Option: 3

7


Option: 4

5


Answers (1)

best_answer

number of Neutrons + number of Protons = 14

number of electrons in X^{3-} = 10

number of electrons in X = 7

Thus, number of protons in X = number of electrons in X = 7

Thus, number of neutrons in X = 7 

The elemental form X_2 contains 14 neutrons

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Sayak

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