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The highest occupied energy level of the...

The highest occupied energy level of the group 2 elements radius is `7s^(2)`, which of these statements is likely to be incorrect?

A

The element will show an oxidation state +II in all its compounds

B

The element will decomposes water, liberating hydrogen

C

Hydroxide of the elements will be amphoteric

D

Metal carbonate is relative stable at higher temperature than calcium carbonate

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The correct Answer is:
C
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