Manganese atom has 30 neutrons and atomic number 25 determine the electron cloud charge of manganese

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

50 points! need answer asap. what type of organic compound contains the following functional group? (2 points)