A 1 kilogram block slides diwn a frictionless inclined plane 2.5 meters high. what is the velocity if the plane if acceletation is 9.8 m/s?

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.

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change