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Chemistry, 29.04.2021 14:00 em387p3s1zr
In which period is an element that has the electron configuration 152 252
2p6 352 3p6 3d10 452 4p1 ? *
Period 4
Period 1
Period 2
Period 3
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In which period is an element that has the electron configuration 152 252
2p6 352 3p6 3d10 452 4p...
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