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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
What is the Electronic Configuration of a Hydrogen Atom?
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).
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 ?
From the Symbol `""_15^31"P"`, State : Electron Configuration of Phosphorus.
The atom of aluminium is represented by 27Al13. Write down the number of electrons in the different orbits or shells in one atom of aluminium.
Explain the octet rule for the formation of –
Nitrogen molecule from two nitrogen atoms.
Name an element which has the same number of electrons in its first and second shell.
The electronic configuration of silicon is ——— and that of sulphur is ———.
How will you define the term ‘electronic configuration’?
