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What do elements in the first two columns of the periodic table have in common? They have two valence electrons. They tend to lose electrons to gain stability. They react strongly with the alkali metals. They do not react with halogens
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B.
I was actually think c? but that's wrong i guess
dont doubt yourself
even mr brains is wrong sometimes
bio bro can you confirm
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Wait... The first two columns are the alkali metals, right???
ye
.....
I think so......
So I am 99% sure it is B.
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