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An element having electronic configurati...

An element having electronic configuration `[Rn]6s^(1)` will:

A

Form basic oxide

B

Can be used in photolectric cell

C

Form acidic oxide

D

Has high ionisation enthalpy

Text Solution

Verified by Experts

The correct Answer is:
A, B
The element is Cs.
Due to larger size and low ionisation enthalpy of `[Rn]6s^(1)` (i.e. Cs).
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