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The number of electrons, neutrons and pr...

The number of electrons, neutrons and protons in a species are equal to 10, 8 and 8 respectively. The proper symbol of the species

A

`""_(8)^(16)O`

B

`""_(8)^(18)O`

C

`""_(10)^(18)N e`

D

`""_(8)^(16)O^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
D
From the given data, it is clear that the aotmic number, Z or number of protons of the species is 8. Number of neutrons is also 8, hence atomic mass is 16. Since, the number of electrons are two more than the number of protons, hence it is a binegative species. Thus, the species is `"_(8)^(16)O^(2-)`.
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