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Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

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

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?