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9th CBSE
IMPORTANT
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According to Bohr, maximum number of electrons in a shell is given by

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Important Questions on Structure of the Atom

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9th CBSE
IMPORTANT
In an atom number of protons and neutrons is 11 and 12 respectively, atomic number of element is:
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9th CBSE
IMPORTANT
An atom of an element has 9 protons and 10 neutrons, its mass number is:
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9th CBSE
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Mass number of an element is 40 and it has 18 protons, number of neutrons in the atom is:
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9th CBSE
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Valence electrons are the electrons present in the:
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9th CBSE
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Maximum number of electrons, that K-shell can accommodate is:
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9th CBSE
IMPORTANT
Maximum number of electrons that N-shell can accommodate is:
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9th CBSE
IMPORTANT
Maximum number of electrons that M-shell can accommodate is:
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9th CBSE
IMPORTANT
Maximum number of electrons that L-shell can accommodate is: