the number of electrons , protons, neutrons of 5 elements are given below
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Answer:
(i) D and A is cation
(ii) C and E are anions
(iii) B is inert gas
Explanation:
The trick is to check the electrons in valence shell.
If e- is 1-3 then element is positive(anion)
If e- is 4-7 then element is negative (cation)
If e- is 8 then it's noble gas
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