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प्रश्न
What are ‘energy levels’?
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उत्तर
‘Electrons revolved the nucleus in definite orbits called shells or energy levels since while revolving in a shell an electron possesses a certain amount of energy.”
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संबंधित प्रश्न
State the number of electrons present in the outermost shell of the atoms of the following elements :(i) Neon
(ii) Chlorine
What do you understand by the term "electronic configuration" of an element? Write down the electronic configuration of oxygen (At. No. = 8).
Which of the following is the correct electronic configuration of sodium?
The correct electronic configuration of a chloride ion is :
Draw a neat labelled diagram.
Diagramatic sketch of electronic configuration of Argon (Atomic number 18)
What is meant by the term orbits
The following element is given \[\ce{_14X}\]. State the electronic configuration and state whether it is a metal, non-metal, or inert gas.
The following element is given \[\ce{_18Y}\]. State the electronic configuration and state whether it is a metal, non-metal, or inert gas.
Explain the octet rule for the formation of –
Nitrogen molecule from two nitrogen atoms.
Give a reason for the following:
The shells surrounding the nucleus of an atom are also called ‘energy levels’.
