A sample sample of. 76 m hcooj is tirtrated with. 20 m koh. What is the ph of the solution at equalinace poiunt.

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa

Describe the forces both attractive and repulsive that occur as two atoms move closer together.