Question

Which reaction would be expected to be most vigorous?

A) lithium with fluorine
B) potassium with chlorine
C) rubidium with fluorine
D) sodium with iodine

Answer 1

Answer:

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Explanation:

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Answer 2

Explanation:

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The alkali metals (Li, Na, K, Rb, Cs, and Fr) are the most reactive metals in the periodic table - they all react vigorously or even explosively with cold water, resulting in the displacement of hydrogen.