Atoms and Molecules

Edit Answers
12345678910111213141516171819
Across
  1. 2. Not solid, liquid, or gas- fire, TV
  2. 8. Its a way of splitting a compound, just turn on the current and turn up the voltage
  3. 9. This type of element usually has a high boiling point and good electrical conduction
  4. 10. element with atomic mass 35.5
  5. 11. Formed by combining the elements hydrogen and oxygen
  6. 12. Number of atoms in the oxygen particle.
  7. 13. table A very useful layout of all the elements
  8. 15. This element burns very brightly in air to form a white powder
  9. 17. How tightly packed atoms are
  10. 18. charged atom/molecule
  11. 19. ________ is the amount of substance that contains the same number of particles
Down
  1. 1. How much space something takes up
  2. 3. constant number of atoms in exactly 12g of carbon 12 is defined as
  3. 4. A change that happens in a reaction, transforms
  4. 5. Dark red, and the only liquid non-metal at room temperature
  5. 6. mass mass of 1 mole of a substance
  6. 7. the elements are always present in definite _________ by mass
  7. 10. two or more atoms bonded together cannot be separated
  8. 14. dioxide The main gaseous product of burning coal in air, two elements combine
  9. 16. Every element has one as well as its name