Element $X$ has electronic configuration $2, 8, 18, 8, 1$ . Predict the sign and charge on a simple ion of $X .$

+ 1

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Solution

The correct option is A $+ 1$
Element $X$ has electronic configuration $2, 8, 18, 8, 1$ so it has tendency to loose one electron and complete octet so it will form $X^{+}$ ion in general with charge of $+ 1.$

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Similar questions

Element X has electronic configuration 2, 8, 18, 8, 1. Without identifying X,

(a) predict the sign and charge on a simple ion of X.

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