Which statement below correctly describes what changes when moving upwards from selenium to sulfur on the periodic table?
A.
The number of total valence electrons decrease
B.
The number of total electrons decrease
C.
The ionic charge of the elements changes from positive to negative
D.
The classification changes from nonmetal to metal
Answers: 1
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Which statement below correctly describes what changes when moving upwards from selenium to sulfur o...
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