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प्रश्न
State the following:
The group to which the element with an electronic configuration of 2, 8, 2 belongs.
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उत्तर
Element [2, 8, 2] belongs to group 2 or [II – A]
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संबंधित प्रश्न
Name the element that has two shells, both of which are completely filled with electrons.
Which element has a total of two shells, with three electrons in its valence shell?
How does the electropositive character of elements change on going down in a group of the periodic table?
Which one of the following does not increase while moving down the group of the periodic table?
Which of the following set of elements is written correctly in the order of their increasing metallic character?
(a) Mg, Al, Si
(b) C, O, N
(c) Na, Li, K
(d) Be, Mg, Ca
How do you calculate the possible valency of an element from the electronic configuration of its atoms?
State whether the following statement is true or false
On moving horizontally across a period, number of valence electrons increases from one to eight.
How could the atomic radius of a noble gas be compared with the other elements in a period?
Name and state the following with reference to the elements of the first three periods of the periodic table.
Valency of elements in Group 14 and 15.
Name or state following with reference to the element of the first three periods of the periodic table.
A metal in period 3 having valency 3.
