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Which of the following is not an anomalo...

Which of the following is not an anomalous pair?

A

`s, Cl`

B

`Te, I`

C

`Co, Ni`

D

`Ar, k`

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The correct Answer is:
A
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  11. Which one of the following pairs of atomic numbers, represents element...

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  13. In the long form of periodic all non-metals are placed in

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