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Which alkali metal is most reactive? potassium (K) sodium (Na) cesium (Cs) lithium (Li)
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5 votes
Which alkali metal is most reactive? potassium (K) sodium (Na) cesium (Cs) lithium (Li)

User Ashfaque Ali Solangi
by
6.2k points

2 Answers

4 votes

Answer:

Cesium (Cs)

Why:

Cesium is dangerously explosive. Cesium (Cs) & francium are the most reactive elements in this group. Alkali metals can explode if they're exposed to water.

User Saeeda
by
5.9k points
4 votes
Cesium is the most reactive alkali metal. 
User ZiggyTheHamster
by
6.2k points
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