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Examen Prototype Chimie - k12.gov.sk.ca 8H 5e Mn 2 4H 2 O 4 +1,52 Au 3 3e Au(s) +1,50 ... (222,02) 87 88 89-102 103 104 ... § La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb
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