Question

which is the most reactive gas??​

Answer 1

Answer:

Hydrogen

Reactivity of Group 1 Elements

Hydrogen is a very reactive gas, and the alkali metals are even more reactive. In fact, they are the most reactive metals and, along with the elements in group 17, are the most reactive of all elements.

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Answer 2

Answer:

Hydrogen

Explanation:

Hydrogen is a very reactive gas, and the alkali metals are even more reactive.