If both K and L shells are filled, the total number of electrons contained in them will be:

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Solution

The correct option is A
10

Since both K and L shells of an atom can contain maximum number of electrons as 2 and 8 respectively, the total number of electrons contained in them is 2 + 8 = 10.

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Similar questions

The maximum number of electrons that can be filled in the shells K, L, M and N respectively are:

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?

If K,L,M shells of an atom are completely filled with electrons, then : I) What would be the total number of electrons in the atom? &

2)Find its valency.

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