Coulomb's law says that the force between charged particles: A. increases if the distance increases.
B. remains constant if only two charges are involved.
C. remains constant if only the amount of charge changes.
D. increases if the amount of charge increases.

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

the answer is c i took the test