Question

28 how many valence electrons does chlorine (cl) have based in lewis dot diagram?
a 17
b 7
c 35.5
d 8

Explanation:

Chlorine is in group 17 of the periodic table. Elements in group 17 have 7 valence electrons. In a Lewis - Dot Diagram, valence electrons are represented as dots around the symbol of the element.

Answer:

B. 7