Deran
Glitter Words
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Name:Promethium
Symbol:Pm
Atomic Number:61
Atomic Mass:145
Standard State: 298external image 60_Nd_1.jpg
Group name:lanthonoid
Period in Periodic Table: 6 (lanthonoid)
Color:mattalic
Classification: mattalic

When handling promethium you have to handle it carfully because it is radio active. Promethium in the dark glow with a bluish greenish glow.it glows like that because of the radioactivitey. Prothium is a rare earth meatal. They think that Promethium is not in the earths crust. Little is known about the element Prothium.