An element has an atomic number of 79. the number of protons and elections in a neutral atom of the element
a. 197 protons and 79 electrons
b. 79 protons and 0 electrons
c. 79 protons and 79 electrons
d. 79 protons and 197 electrons

Now consider the reaction when 45.0 g naoh have been added. what amount of naoh is this, and what amount of fecl3 can be consumed by it?

Which of the following units is not an official si unit? mole liter kilogram ampere

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