Question

ii) The atomic number opf three element A, B and C are 9, 10, 13 respectively. Which of
will for Anion and cation ?


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Answer 1

Answer:

Answer. C will form the cation because in its outermost shell it has 3 electrons and after loosing them its electronic configuration becomes stable.

Answer 2

Explanation:

Electric configuration of element A

K-2 L-7 Valency-(-1) --> Anion

Electric configuration of element B

K-2 L-8 Valency-(0)--> Inert gas

Electric configuration of element C

K-2 L-8 M-3 Valency (+3)-->Cation