1 <element name="Cesium"/>
3 <atomic-number>55</atomic-number>
4 <atomic-weight>132.90543</atomic-weight>
5 <oxidation-states>+1</oxidation-states>
6 <state-at-room-temp>solid</state-at-room-temp>
7 <melting-point>301.6</melting-point>
8 <boiling-point>951.6</boiling-point>