Q. Write the correct representation of an element 'X' which contains 15 electrons and 16 neutrons.

Dear Student

The number of protons is equal to number of electrons in neural element.
An element that contains 15 protons is phosphorous (P)
Mass of element= no. of protons + no. of neutrons = 15 + 16 =31
So the representation is:-
                                          31P15

  • 2
An element that contains 15 electrons is phosphorous (P)
Mass of element= no. of electrons + no. of neutrons = 15 + 16 =31
So the representation is:-
                                          31P15
  • 3
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