Why Cesium (at.no.55) requires little energy to release its one electr

1.	Why Cesium (at.no.55) requires little energy to release its one electron present in the outermost shell?
Answer» EXPLANATION: (at.no.55) requires LITTLE energy to RELEASE its one ELECTRON present in the outermost shell

Why Cesium (at.no.55) requires little energy to release its one electron present in the outermost shell?

Answer»

(at.no.55) requires LITTLE energy to RELEASE its one ELECTRON present in the outermost shell