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Jacob

Name:Samarium
Symbol:Sm
Atomic Number:62
Atomic Mass:150.36
Standard State: solid at 298 K
Group name: Lanthanoid
Period in Periodic Table: 6
Color: silvery white
Classification: Metallic

it is a bright silver in air. it ignights at 150°C.and it is a rare earth metal and i it is found with other rare earth elements including samarium metal is a commercal so it is not in the labs.It will always weigh zero know matter what you put in the box.