Amongst the following elements identify the ones that would form anions

CBSE Class 10 CBSE Class 10 Science
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1

(a) Amongst the following elements identify the ones that would form anions.
K, O, Na, F, Ca, Cl, Mg
(b) Write the electronic configuration of anions identified above.

2

(a) O, F and Cl would form anions.
(b)${{O}_{2}}^{-}$- 2,8
${{F}^{-}}$ - 2,8
${{Cl}^{-}}$- 2,8,8