2. Which of the following 2 elements would act most like one another? a. Sulfur, element 16, and Chlorine, element 17
b. Sodium, element 11, and Magnesium, element 12
C. Argon, element 18, and Neon, element 10
d. Potassium, element 19, and Calcium, element 20

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