A student considers an atom in a gas sample. The atom has a nucleus surrounded by electrons.
Which statement correctly describes where most of the atom's mass and most of its volume are found?
Most of the mass and most of the volume are both in the nucleus.
Most of the mass and most of the volume are both outside the nucleus.
Most of the mass is outside the nucleus and most of the volume is in the nucleus.
Most of the mass is in the nucleus and most of the volume is outside the nucleus.