Which of the following is the softest metal?

Answer: [A] Cesium

Cesium is extremely reactive metal. It reacts with water even at −116 °C (−177 °F). It is the least electronegative element. Cesium is also the softest known metal. It is so soft that it can be cut with a butter knife.

This question is a part of GKToday's Integrated IAS General Studies Module