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Question
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.)
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.)
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Solution
The correct option is B F (9)
It would be chemically similar to F (9) with a configuration as 2, 7 and both require 1 electron for a complete octet because of which they belong to the same group which results in their similar character. The halogens are a group in the periodic table consisting of five chemically related elements: fluorine, chlorine, bromine, iodine, and astatine.
F (9)
It would be chemically similar to F (9) with a configuration as 2, 7 and both require 1 electron for a complete octet because of which they belong to the same group which results in their similar character. The halogens are a group in the periodic table consisting of five chemically related elements: fluorine, chlorine, bromine, iodine, and astatine.
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