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Which element comes in 5th period of cha...

Which element comes in 5th period of chalcogen group ?

A

Se

B

Te

C

Sb

D

Ar

Text Solution

Verified by Experts

The correct Answer is:
B
Group 16 elements are known as .Chalcogens.
`to (A)` Se and (B) Te are chalcogens
`Se : (Ar) 3d^(10) 4s^(2) 4p^(4), therefore 4th` period
`Te : (Kr) 4d^(10) 5s^(2) 5p^(4), therefore 5^(th)` period.
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