What factor determine the magnitude of the eletric force between two particles?
A)Charge
B) mass and charge
C)Charge and distance
D) Mass and distance

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

Which description best characterizes the motion of particles in a solid?

Draw the lewis dot structure for each of the following polyatomic ions