Select the correct answer.
An atom of nitrogen has seven electrons. Which diagram correctly represents the arrangement of these electrons?
111s 1125 1122
111s [I]2s 111 22
111s 112 11 1 20
111s 1]]2s 11 1 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