CH.2 Crossword

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Across
  1. 4. All matter is composed of _________.
  2. 6. Number of protons is ______ to number of electrons in a neutral atom.
  3. 8. specific molecule that has 2 or more different kinds of atoms bonded together.
  4. 10. ________ energy is energy in motion
  5. 14. have a negative charge and are 0 amu.
  6. 16. is found in the nucleus of atom, carry a positive charge and 1amu.
  7. 17. is anything that has mass and occupies space.
  8. 18. substances that cannot be broken down into simpler substances by ordinary chemical methods.
  9. 19. solute particles that are larger and do not settle out. Ex. Jello
Down
  1. 1. is often referred to as a proton.
  2. 2. The outermost electron shell is called _____shell.
  3. 3. ______ number is the total number of protons and the number of neutrons.
  4. 5. particles are very large, they will settle out and may scatter light.
  5. 7. have no charge, 1 amu
  6. 9. _________have the same number of protons but differing number of neutrons, which changes the mass number.
  7. 11. is the capacity to do work or put matter into motion.
  8. 12. When energy is converted, some is lost as _____
  9. 13. How many elements make up 96% of the body?
  10. 15. _______ of matter: Solid, liquid, and gas.
  11. 16. _________ energy is stored energy, ability to do work.