Chemistry

1234567891011121314
Across
  1. 3. a group of atoms bonded together
  2. 6. one of the three main states of matter
  3. 7. a stable subatomic particle occurring in all atomic nuclei
  4. 9. the freezing point of water
  5. 10. a weighted average of all of the isotopes of that element
  6. 12. the process of turning from liquid into vapor
  7. 13. consist of a nucleus made of protons and neutrons orbited by electrons.
  8. 14. the number of protons in the nucleus of an atom
Down
  1. 1. nearly incompressible fluid that conforms to the shape of its container
  2. 2. a constituent part: as. a : any of more than 100 fundamental substances that consist of atoms
  3. 4. the conversion of a vapor or gas to a liquid
  4. 5. a stable subatomic particle with a charge of negative electricity
  5. 8. a subatomic particle of about the same mass as a proton but without an electric charge
  6. 11. refined when experiments showed that light could behave like a stream of particles