Charles Augustin de Coulomb (1736-
1806) derived the law named after him
(Coulomb's Law) in 1785 from his work
using a torsion balance. To which of the
following did this work most contribute?

Which notation is used to represent an alpha particle? a. b. c. d.

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c

Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.