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प्रश्न
The electron distribution in an aluminium atom is
विकल्प
2, 8, 3
2, 8, 2
8, 2, 3
2, 3, 8
उत्तर
2, 8, 3
Explanation -
Aluminium has 13 electrons. Its electron distribution is 2, 8, 3.
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संबंधित प्रश्न
Which shell of an atom can accommodate a maximum of :
(a) 8 electrons ?
(b) 32 electrons ?
What do you understand by the term "electronic configuration" of an element? Write down the electronic configuration of oxygen (At. No. = 8).
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(a) Write the electronic configuration of element X.
(b) What is the atomic number of element X?
(c) Is it a metal or a non-metal?
(d) What type of ion will be formed by an atom of element X? Write the symbol of the ion formed.
(e) What could element X be?
Mention the basic tendency of an atom which makes it combine with other atoms
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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.
The following element is given \[\ce{_3U}\]. State the electronic configuration and state whether it is a metal, non-metal, or inert gas.
Give a reason for the following:
Helium is chemical extremely unreactive.
For an atom ‘X’, K, L and M shells are completely filled. How many electrons will be present in it?
The outermost shell of an atom cannot accommodate electrons more than ______.
