The number of electrons in an element X is 15 and the number of neutrons is 16 which of the following is the correct representation of the element X
a)31X15
b)31X16
c)16X15
d)15X16
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Given that, number of electrons in element X = 15 and number of neutrons = 16 <br>
Atomic number = number of protons = number of electrons in neutral atom = 15 <br>
Mass number = number of protons + number of neutrons <br>
= 15 + 16 = 31 <br>
Thus, the atom is represented as `""_(15)^(31)X`
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