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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
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.
Which one of the following is a correct electronic configuration of sodium?
What do you understand by the term "electronic configuration" of an element? Write down the electronic configuration of oxygen (At. No. = 8).
From the Symbol `""_15^31"P"`, State : Electron Configuration of Phosphorus.
Draw a neat labelled diagram.
Diagramatic sketch of electronic configurations of magnesium (Atomic number 12)
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?
Give a reason for the following:
Helium is chemical extremely unreactive.
Which block of the periodic table contains metals, non-metals, and metalloids?
How will you define the term ‘electronic configuration’?
