Element 'A' has electronic configuration $2, 7,$ 'B' has configuration $2, 8, 6,$ 'C' has configuration $2, 8, 8$ while 'D' has $2, 8, 7.$ Which element will show similar chemical properties?

A and C

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A and D

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B and C

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B and D

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Solution

The correct option is B A and D
A and D have similar chemical properties as they share the same number of electrons 7 in their outer electronic shell which places them in the same group sharing similar chemical properties. Here Aand Dn(fluorine and chlorine) both belonging to halogen family with similar properties.

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Similar questions

Q. Element

A

has electronic configuration 2,8,1 and

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Q. Which of the following elements has an electronic configuration

2, 8, 6

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.)

Study the reaction given below and write the electronic configuration of $C l^{-}$ when Cl is 2, 8, 7.

$C l + e^{-} \to C l^{-}$

Q. An atom has an electronic configuration

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P (15)

A r (18)

]

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Element 'A' has electronic configuration 2,7, 'B' has configuration 2,8,6, 'C' has configuration 2,8,8 while 'D' has 2,8,7. Which element will show similar chemical properties?

Element 'A' has electronic configuration $2, 7,$ 'B' has configuration $2, 8, 6,$ 'C' has configuration $2, 8, 8$ while 'D' has $2, 8, 7.$ Which element will show similar chemical properties?