Aforce that acts in the opposite direction of motion of the object will cause the object

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

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

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?