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प्रश्न
Give a reason for the following:
Helium is chemical extremely unreactive.
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उत्तर
Helium has its outermost shell completely filled i.e. 2 electrons in K shell.
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संबंधित प्रश्न
Which one of the following is a correct electronic configuration of sodium?
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(b) outermost shell of an atom?
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(ii) Chlorine
Which shell of an atom can accommodate a maximum of :
(a) 8 electrons ?
(b) 32 electrons ?
Draw a neat labelled diagram.
Diagramatic sketch of electronic configuration of Argon (Atomic number 18)
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Select the correct answer from the answer in the bracket to complete the sentence.
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State true or false. If false, correct the statement.
The maximum number of electron in L Shell is 10.
The maximum No. of electrons that can be accommodated in the M shell is ______.
