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प्रश्न
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?
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उत्तर
Atomic number is 18
Electron configuration or the distribution of electrons in this atom is :
(2, 8, 8), i.e.,
K = 2; L = 8; M = 8.
The special thing about the outermost shell of this atom is that it is completely filled with electrons. The element will be inert in nature.
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संबंधित प्रश्न
What is the maximum number of electrons which can be accommodated in the K shell of an atom?
What is the maximum number of electrons which can be accommodated in the L shell of an atom?
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 represents the correct electron distribution in magnesium ion?
Draw a neat labelled diagram.
Diagramatic sketch of electronic configuration of Argon (Atomic number 18)
The atom of aluminium is represented by 27Al13. Write down the number of the arrangement of electrons in the different orbits or shells in one atom of aluminium.
Differentiate between the term Stable and unstable electronic configuration.
Give a reason for the following:
The shells surrounding the nucleus of an atom are also called ‘energy levels’.
The correct electronic configuration of potassium is ______.
The outermost shell of an atom cannot accommodate electrons more than ______.
