Tempoh 5.
Rubidium
37
Strontium
38
Itrium
39
Zirkonium
40
Niobium
41
Molibdenum
42
Teknetium
43
Rutenium
44
Rodium
45
Paladium
46
Perak
47
Kadmium
48
Indium
49
Timah
50
Antimoni
51
Telurium
52
Iodin
53
Xenon
54
Jadual Berkala
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