Q7 of 149 Page 191

What is the maximum number of electrons which can be accommodated in the:

(a) innermost shell of an atom?


(b) outermost shell of an atom?

(a) The maximum number of electrons which can be accommodated in the innermost shell of an atom is 2.

(b) The maximum number of electrons which can be accommodated in the outermost shell of an atom is 8.


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What is the maximum number of electrons an M shell of the atom can accommodate?

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What is the maximum number of electrons that can go into the N shell of an atom?

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Name the three subatomic particles present in an atom.

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Name the negatively charged particle present in the atoms of all the elements.