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Chemistry, 10.03.2021 21:50 c1100321311
In which numbered position would a Period 4 element that is a metal with three valence electrons be located?
A) Position 13
B) Position 15
C) Position 20
D) Position 31
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Answers: 1
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In which numbered position would a Period 4 element that is a metal with three valence electrons be...
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