Question

Which element is most reactive in Group 1?

Answer 1

Answer:

In fact, they are the most reactive metals and, along with the elements in group 17, are the most reactive of all elements. The reactivity of alkali metals increases from the top to the bottom of the group, so lithium (Li) is the least reactive alkali metal and francium (Fr) is the most reactive.

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Answer 2

Answer:

potassium

Explanation:

francium is most reactive in 1st group