Question

Find the atomic number of the element for which K and L shells are completely

filled with electrons.​

Answer 1

Answer:

10

Explanation:

BRAINLIEST please

Answer 2

Answer:

Number of electrons in nth shell= 2n2 Here n is the number of shell. As K and L shell is completely filled hence, there would be (2+8) = 10 electrons in atom. The element with atomic number 10 is inert gas neon (Ne) so the valency will be zero.

Explanation:

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