Across
- 4. ,Chlorine is a member of which family?
- 5. ,As the distance between two objects decreases the gravitational force between them?
- 6. ,Kinetic energy is energy of?
- 7. ,The reactivity of a substance is a ____ property.
- 9. ,As the combined mass of two objects decreases the gravitational force between them?
- 12. ,The change in velocity over time.
- 13. ,___ waves do not require a medium to transmit energy.
- 15. ,The tendancy of an object to not change motion.
- 17. Metals, ,Sodium (Na) is in what family.
- 19. ,A bond formed between a metal and a non-metal.
- 20. ,___ energy is a stream of electrons.
- 22. ,An example of a longitudinal wave.
- 25. ,Which type of bond is a poor conductor of electricity.
- 26. ,Density is an example of a ____ property.
- 27. ,His model had electrons in specific orbits around the nucleus.
Down
- 1. ,Energy transformations are most efficient when less ____ is lost.
- 2. ,___ waves require a medium to transmit energy.
- 3. ,Atoms in a compound are ______ combined.
- 8. ,___ energy is another term for heat.
- 10. ,Energy of motion.
- 11. ,Potential energy is energy of?
- 13. ,Credited with discovering the electron (negative charge)
- 14. ,The type of chemical reaction when 1 new product is made.
- 16. ,Newton's __ Law is every action has an equal and opposite reaction.
- 18. ,Speed in a certain direction.
- 21. ,A chemical reaction which produces carbon dioxide and water.
- 22. of Light, ,As you approach what number are you unable to use Newton's 2nd law for predictions?
- 23. ,___ electrons on the outer energy level of atoms.
- 24. ,This type of reaction fuels energy generation in the sun.
- 26. ,When atoms are not shared equally in a covalent bond, the bond is consered to be what?