SAT Chemistry

Answer: C. Coulomb’s Law is used to calculate electrostatic force between two charges, thus A and E are true. The law states that:

F=k_e * (q₁)(q₂)/(r²) where F is force, k_e is Coulomb’s constant, q₁ and q₂ are the magnitudes of the charges and r is the distance between the charges (meaning B is true because distance is a factor). As r decreases, F increases because dividing by a smaller number always yields a larger result. Thus C is false and D is true.