Also known as: tm.
TM has various meanings in the Science category. Discover the full forms, definitions, and usage contexts of TM in Science.
Elements in the d block of the periodic table.
ScienceSymbol:"Tm" Atomic Number:"69" Atomic Mass: 168.93amu. Thulium is one of the elements in the lanthanide series of inner transition elements. It may also be classified as a rare earth element.
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