Which one of the following elements would react with chlorine most rapidly?
A) Li
B) Na
C) K
D) Rb
E) Cs

Name: Which one of the following elements would react with chlorine most rapidly? A) Li B) Na C) K D) Rb E) Cs
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Question

Quizplus · Accepted Answer

Cs (Cesium) is the most reactive with chlorine among the options listed because it is the largest atom in the group, meaning it has the most electron shells. This makes it easier for Cs to lose its outer electron, facilitating a faster reaction with chlorine.

Which One of the Following Elements Would React with Chlorine