Question

An element X have two orbit which completely filled. Then X =?

Hints from 1st 1 to 5 elements​

Answer 1

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$\bold{\small{\color{blue}{Answer:Neon}}}$

$\huge\bf{\orange{\mid{\overline{\underline{Explanation}}}\mid}}$

The electronic configuration of Helium is (2,8). It has two shells. It's valence electron is 8.

Answer 2

since given element has 2 shells k & L shell ,L shell having twice as many electrons in its first shell .the element having atomic no equal to 6 ie. carbon