What do elemens in the same period have in common?

asked Sep 26, 2021 28.2k views

1 vote

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6 votes

They’ve the same number of occupied energy levels

Red Wei answered Sep 27, 2021

7.5k points

5 votes

Answer:

There stable oxidation state is +3.

And they have only three energy levels

VirtualLogic answered Oct 1, 2021

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