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प्रश्न
Give a reason for the following:
The shells surrounding the nucleus of an atom are also called ‘energy levels’.
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
Which one of the following is a correct electronic configuration of sodium?
Name the shell of an atom which can accommodate a maximum of :
(a) 2 electrons ?
(b) 18 electrons ?
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?
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?
What are ‘energy levels’?
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 following element is given \[\ce{_9W}\]. State the electronic configuration and state whether it is a metal, non-metal, or inert gas.
Give a reason for the following:
Helium is chemical extremely unreactive.
State true or false. If false, correct the statement.
The maximum number of electron in L Shell is 10.
The outermost shell of an atom cannot accommodate electrons more than ______.
