An element ‘X’ has atomic number 13.
(a) Write its electronic configuration.
(b) State the group to which ‘X’ belongs.
(c) Is ‘X’ a metal or a non-metal?

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Solution

(a) Since the atomic number given = 13

The Electronic configuration of the element= 2, 8, 3

(b) Group number to which the element ‘X’ belongs = 10 +3 = 13th group.

(c)Since ‘X’ has 3 valence electrons. So, ‘x’ is a metal.

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