5. periode
Rubidium
37
Strontium
38
Yttrium
39
Zirkonium
40
Niobium
41
Molybdeen
42
Technetium
43
Ruthenium
44
Rhodium
45
Palladium
46
Zilver
47
Cadmium
48
Indium
49
Tin
50
Antimoon
51
Telluur
52
Jodium
53
Xenon
54
Periodieke Tabel
Taal
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