Which element has twice as many electrons in its second shell as compared to its first shell?

Calcium

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Nitrogen

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Oxygen

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Carbon

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Solution

The correct option is B Carbon
The electronic configuration of carbon is $2, 4$ . It has twice as many electrons in its second shell as compared to the first shell.

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Similar questions

Which element has

(a) two shells, both of which are completely filled with electrons?

(b) the electronic configuration 2, 8, 2?

(d) a total of two shells, with three electrons in its valence shell?

(e) twice as many electrons in its second shell as in its first shell?

3^{r d}

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