The answer is C, because if the copper has a +2 charge, the fluoride must have a -2 charge in order to cancel out.
B, Frost Wedging. Have a good rest of your day!
I believe it becomes less dense, bc when you heat something it’s molecules spread further apart.
Answer:
Electrons have an electric charge of -1.60 × 10-19 C
Explanation:
Neutrinos and Neutrons have 0 e charge.
Protons have an electric charge of 1.60 × 10-19 C
Historically, electrons were assigned a negative charge