Look at Periodic Table. Which
element has 7 valence
electrons and is in period 3?
A. Fl...
Chemistry, 18.03.2021 01:10 jrassicworld4ever
Look at Periodic Table. Which
element has 7 valence
electrons and is in period 3?
A. Fluorine
B. Sulfur
C. Chlorine
D. Bromine
Answers: 3
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