Question

If K and L shells of the atom of an element are full, then what would be the total number of electrons in the atom? What is the valency of this element? Name the element.​

Answer 1

Answer:

We know that the K shell can hold a maximum of 2 electrons, while the L shell can accommodate a maximum of 8 electrons. Thus, if in an atom both the K and L shell are full, then the total number of electrons in the atom are 2 + 8 = 10.

Explanation:

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Answer 2

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$\huge\bold\pink{Answer:-}$

⏩ The maximum number of electrons that can occupy K and L-shells of an atom are 2 and 8 respectively. Therefore, if K and L-shells of an atom are full, then the total number of electrons in the atom would be (2+8) = 10 electrons.

→As the valency is zero, element is Neon.

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