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compositum chemicum From Wikipedia, the free encyclopedia
Thorium[1] (-ii, n.) est elementum chemicum systematis periodici ex actinidis et metallum radioactivum, quod apud Thorum, deum in mythologia Nordica nominatur.
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Proprietates generales | ||||||
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Nomen, Symbolus, Numerus Atomicus | thorium, Th, 90 |
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