Chemistry Bonus

1234567891011121314151617181920
Across
  1. 4. Chadwick discovered the _____
  2. 7. Atoms are _____ in chemical reactions
  3. 11. A mixture that is not uniform
  4. 13. An element that has a mass of 16.00 g/mol
  5. 16. A substance that dissolves into another substance
  6. 17. The sharing of electrons
  7. 18. How close a measured value is to an accepted value
  8. 19. Atoms of the same element with different numbers of neutrons
  9. 20. He discovered the electron
Down
  1. 1. The transition of a substance directly from solid to gas
  2. 2. A procedure in which the concentration of a solution is determined by comparing it to a solution of known concentration
  3. 3. Who discovered the nucleus of an atom
  4. 5. Atoms are______
  5. 6. How close a series of measurements are to each other
  6. 8. Two protons and two neutrons called an alpha particle
  7. 9. An acid that donates more than one proton per molecule
  8. 10. The concave or convex surface of a liquid
  9. 12. The mass of an atom given in amu
  10. 14. The transfer of electrons
  11. 15. The change in heat of the products from the reactants