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An element has atomic number 79.Predict ...

An element has atomic number 79.Predict the group and period in which the element is placed.

A

`2^(nd)` group,`7^(th)` period

B

`11^(th)` group,`6^(th)period`

C

`13^(th)` group,`6^(th)`period

D

`12^(th)`group, `6^(th)` period

Text Solution

Verified by Experts

The correct Answer is:
B
`Z=79[Xe]4f^(14)5d^(10)6s^(1)=(n=6)` As m=6,the element belongs to `6^(th) period. Group=ns+(n-1)d,1+10=11`
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