The nuclear product of radioactive decay is called the_
o parent nuclide
o mass defect
o half life
daughter

What is the independent variable in this investigation? mass volume sample number substance density

How do you know when a chemical reaction has occurred

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