No, molecules don’t ever stop moving
The answer is C, because if the copper has a +2 charge, the fluoride must have a -2 charge in order to cancel out.
Density(D) is defined as Mass(M) divided by Volume(V).
The formula for Density is:
D = M / V.
Another way to remember the formula for Density is to remember "Mass per unit of volume".
I hope this helps!
Answer:
89.1 N
Explanation:
W = m gm = 55.0 x 1.62 = 89.1 N