1 <element name="Cerium"/>
3 <atomic-number>58</atomic-number>
4 <atomic-weight>140.115</atomic-weight>
5 <oxidation-states>+3, +4</oxidation-states>
6 <state-at-room-temp>solid, metal</state-at-room-temp>
7 <melting-point>1072</melting-point>
8 <boiling-point>3699</boiling-point>