Periodic Trends Answers

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What property do all of the group 18 elements have that makes them stand out from other elements?

They are the only nonmetals that are liquid at room temperature.

They are the only nonmetals that are solid at room temperature.

They are very likely to bond with any element, whether it is metallic or not.

They are very unlikely to bond with any element, whether it is metallic or not.

Which element is likely to be the most reactive?

bromine (Br)

chlorine (Cl)

fluorine (F)

iodine (I)

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