Question

No Direct answers Pls solve ASAP!!!!​

Answer 1

Answer:

(I) B is a cation as it has 3 protons and 2 electrons which cancels effect of electron by 2 leaving one positive proton.

(ii) A and D represents pair of isotopes

(iii) 0 is electronic configuration of A

(iv) 35

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Answer 2

Answer:

here is the answer. I have given you a chart for diagnosis the electronic configuration. there are 3 pic