Exit which of the following is best revealed by the bohr model? a. electrons are found only within the nucleus of an atom. b. protons orbit the nucleus of an atom in fixed proton shells. c. neutrons orbit the nucleus of an atom in fixed neutron shells. d. electrons orbit the nucleus of an atom in fixed electron shells.

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

Often on a topographic map, every fifth contour line is darkened. what is this line called? a. key b.slope c.benchmark d. index contour

What diagram shows the ionic compound of magnesium oxide