Acopper penny has a mass of 3.1 g and a volume of 0.35 cm3. what is the density of copper? be sure to show your work and include units.

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles

To fully describe the photoelectric effect, scientists must consider which of the following to be quantized? o a. both light and matter o b. matter only o c. light only o d. neither light nor matter

The release of energy by the nucleus of atom as a result of nuclear fission is radiant energy true false