Which statement compares the strengths of electric forces between particles of matter?
A. Van der Waals forces and hydrogen bonds are stronger than
metallic bonds.
B. lonic bonds and Van der Waals forces are stronger than metallic
bonds.
C. Hydrogen bonds and metallic bonds are stronger than ionic
bonds.
D. Van der Waals forces and hydrogen bonds are weaker than
metallic bonds.

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next