What mass of sodium bicarbonate would be needed to neutralize the spill if a bottle containing 1.75 l of concentrated hcl dropped on a lab floor and broke open?

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.

Is a pencil falling to the floor anon contact force, a force, or a contact force

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