An atom has electronic configuration 2, 8, 7. To which of the following
elements would it be chemically similar ? (Atomic numbers are given in
parentheses).
(a) N(7) (b) F(9)
(c) P(15) (d) Ar(18)
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An atom has electronic configuration 2, 8, 7. To which of the following
elements would it be chemically similar ? (Atomic numbers are given in
parentheses).
(a) N(7) (b) F(9)
(c) P(15) (d) Ar(18)
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The element will be similar to Fluorine [F(9)], since the given element and Fluorine has same number of valence electrons i.e. 7...
The element is CHLORINE.
FLUORINE has similar chemical properties when compared with CHLORINE.
As both the elements come under the HALOGEN group in the modern periodic table , they have similar chemical properties.