12-05-2016
Physics

Answered

how many neutrons does element X have if it's atomic number is 58 and it's mass number is 153

Verified Answer :

shachar shachar

12-05-2016

153-58= 95. the answer is 95

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Sebacool13 Sebacool13

13-05-2016

Mass number means corresponds to the nucleus i.e the number of neutrons and protons.
The atomic number correspond to the protons ( also electrons in stable atoms ).
So when we take away the atomic number from the mass number we get the number of neutrons.
153 - 58 = 95 of neutrons.
Hope this helps :).

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