An fm radio station broadcast electromagnetic waves at a frequency of 94.5 MHz(9.45x10^7 Hz) these radio waves have a wavelength of 3.17 m. What is the speed of the waves?

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

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

Which radioisotope is used in dating geological formations?