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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 L shell of an atom?
What is the maximum number of electrons which can be accommodated in the :
(a) innermost shell of an atom?
(b) outermost shell of an atom?
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 ?
The atom of aluminium is represented by 27Al13. Write down the number of protons in the different orbits or shells in one atom of aluminium.
What is meant by the term orbits
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.
Differentiate between the term Duplet and octet 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:
The shells surrounding the nucleus of an atom are also called ‘energy levels’.
State true or false. If false, correct the statement.
The maximum number of electron in L Shell is 10.
