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Period 5 is one of the 7 element periods proven to exist. Everything in this period has 5 electron shells. Like most periods, their are 18 elements in the period, and these are:
| # Name |
37 Rb |
38 Sr |
39 Y |
40 Zr |
41 Nb |
42 Mo |
43 Tc |
44 Ru |
45 Rh |
46 Pd |
47 Ag |
48 Cd |
49 In |
50 Sn |
51 Sb |
52 Te |
53 I |
54 Xe |
|---|