"All atoms of the same element are identical; Different elements have different types of atoms." Is this statement still true?

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.