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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Do you know the correct answer?

Look at Periodic Table. Which element has 7 valence
electrons and is in period 3?
A. Fl...