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Index
 »Â
Full Periodic Table (with numbers)
 »Â
Chapter 1
 »Â
61-70
level: 61-70
Questions and Answers List
level questions: 61-70
Question
Answer
Pm 61
Promethium
Sm 62
Samarium
Eu 63
Europium
Gd 64
Gadolinium
Tb 65
Terbium
Dy 66
Disposium
Ho 67
Holmium
Er 68
Erbium
Tm 69
Thulium
Yb 70
Ytterbium