______ have $1$ to $3$ electrons in the outermost shell of their atom.

Metals

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None-metals

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Metalloid

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None of these

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Solution

The correct option is A Metals
Elements with configuration $n s^{1}, n s^{2}$ and $n s^{2} n p^{1}$ have 1 to 3 electrons in outermost shell, respectively.
These are group 1, group 2 and group 3 elements as alkali metals, alkaline earth metals and transition metals.
therefore option A is correct

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Similar questions

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1. Three elements having a single electron in their outermost shell.

2. Three elements with filled outermost shell.

3. Three elements having 7 electrons in their outermost shell.

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(a) three elements that have a single electron in their outermost shells.

(b) two elements that have two electrons in their outermost shells.

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