Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations

How does the viscosity of magma change as magma cools?

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

How many atoms or molecules are there in a mole of a substance?