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The number of electrons protons and n...

The number of electrons protons and neutrons in a species are equal to 18 ,16 and 16 respectively . Assigh the proper symbol to the species.

Text Solution

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Number of electron=18
Atomic number = number of protons ( z) = 16
Number of neutron (n ) in sulphur = 16
A= mass number = z+ n
Number of electron (18) `lt` number proton (16)
(18-16)=12 electron is excess
charge is -2 so symbol of negative ion : `s^(2)`
Symbol of species `._(16) ^(18) S^(2)`
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