The element having electronic configuration 2, 8, 2 belongs to period __ and group _.

2, 8

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8, 2

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3, 2

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3, 3

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Solution

The correct option is C 3, 2
Electronic configuration of the given element: 2, 8, 2
Group number is given by the number of valence electrons and period number is given by the number of shells.
Therefore,
Period= 3
Group= 2

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Similar questions

Where would you locate the element with electronic configuration 2, 8 in the modern periodic table?

(a) group 8 (b) group 2 (c) group 18 (d) group 10

A : 2, 7; B : 2, 8, 7

A – 2, 2

B – 2, 8, 5

C – 2, 7

D – 2, 8, 2

a) Find the elements belonging to the same period?

b) Find the elements belonging to the same group.

c) ‘C’ belongs to which period and group?

2, 8, 2

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