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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
What is the maximum number of electrons which can be accommodated in the L shell of an atom?
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(b) outermost shell of an atom?
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Draw a neat labelled diagram.
Diagramatic sketch of electronic configurations of magnesium (Atomic number 12)
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What type of bond will be formed between X and Y?
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The atom of aluminium is represented by 27Al13. Write down the number of the arrangement of electrons in the different orbits or shells in one atom of aluminium.
Explain the arrangement and distribution of electrons in the various shells with reference to an atom in general and to an atom of potassium ‘3919K’ with special reference to the 2n2 rule.
The correct electronic configuration of potassium is ______.
Total number of electrons that can be accommodated in an orbit is given by __________.
