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SCIENCES 10 - bced.gov.bc.ca€¦ · Neu (237) m 93 Np 6+ 4+ 5+ Uraniu 238,0 m 92 U 231, Protactinium 0 4+ a 5+ 91 Thoriu 232,0 m Th 4+ 90 175, 0 Lutétiu m Lu 3+ 71 173, Ytterbiu
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