Question

An element is represented as 16.X.8 Find :
(a) The number of electrons in element X.
(b) Mass number of an element X.
(c) The number of neutrons in element X.​

Answer 1

Explanation:

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Answer 2

Explanation:

in 16X8

THE ATOMIC MASS= 16

AND THE ATOMIC NUMBER IS 8.

AS, WE KNOW THAT THE ATOMIC NUMBER= NO. OF PROTONS

ALSO, ATOMIC MASS= NO. OF PROTONS+NEUTRONS

=> 16= 8+ NO. OF NEUTRONS

=>NO. OF NEUTRONS= 16-8

=> NO. OF NEUTRONS= 8

THEREFORE, THE NO. OF NEUTRONS IN ELEMENT X = 8

THE ELEMENT IS OXYGEN.

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