Question

Element with 2 electrons in outermost shell, mention the group number.​

Answer 1

A neutral element which contains only two electrons in its outermost shell is most likely to be a group 2 element. This is because all the elements in a group in periodic table are placed according to the number of electrons present in their outermost shell.

Answer 2

Explanation:

Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on.

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