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प्रश्न
Give a reason for the following:
The shells surrounding the nucleus of an atom are also called ‘energy levels’.
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उत्तर
Shells are called energy levels since while revolving in a shell an electron possesses a certain amount of energy.
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संबंधित प्रश्न
If K and L shells of an atom are full, then what would be the total number of electrons in the atom?
Summarize the rules for writing of distribution of electrons in various shells for the first eighteen elements.
An element has atomic number 13 and an atomic mass of 27.
(a) How many electrons are there in each atom of the element ?
(b) How are these electrons distributed in the various energy levels ?
Write the distribution of electrons in an atom of element whose atomic number is 18. What is special about the outermost electron shell (or valence shell) of the atom of this element?
Draw a neat labelled diagram.
Diagramatic sketch of electronic configuration of Argon (Atomic number 18)
An atom X has 2, 8, 7 electrons in its shell. It combines with Y having 1 electron in its outermost shell.
What type of bond will be formed between X and Y?
Select the correct answer from the answer in the bracket to complete the sentence.
The maximum number of electrons in M-shell is _______.
Give a reason for the following:
Helium is chemical extremely unreactive.
The electronic configuration of ‘Cl’ is ______.
How will you define the term ‘electronic configuration’?
