Which of the following is true about the speed of light? a. in air, radio waves move faster than the speed of light. b. nothing can move faster than the speed of light in a vacuum. c. in a vacuum, all em waves move faster than the speed of light. d. light from a moving space ship will move faster than light from a still space ship.

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom