Question

an element is represent as 16 8 x find
A. the number of electrons in element x
B. mass number of an element x
C. the number of neutron in element x

Answer 1

Hlo friend.. Cutiepie Here..

Here is ur answer :

Atomic no. Of Element x = 8

Atomic mass of element x = 16
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A. No. Of electrons = No. Of protons.

No. Of protons = Atomic no.

No. Of protons = 8

No.Of electrons of element X is 8.

____________________________

B. Mass no. Of element X is 16 u.

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C. No. Of neutrons = Atomic mass - Atomic no.

= 16 - 8

= 8

No. Of neutrons in element X is 8.

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HOPE IT HELPS YOU...

REGARDS
@sunita

Answer 2

1)proton=8
electron=8
neutron=16-8=8
2) valency=2
3) neutron=16-8=8


hope this would be helpful.....