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(i) Predict which of the following eleme...

(i) Predict which of the following elements will form cation and will form anions ?
(i) Na, (ii) Al, (iii) Cl, (iv) O.
(ii) Name two elements that are inert in nature.

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a) Na and Al form cations since they are metals, and Cl and O form anions since they are non-metals.
b) Helium (He) and Argon (Ar).
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