Biology Bonus Crossword

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Across
  1. 1. How close a measured value is to an accepted value.
  2. 3. The change in heat of the products from the reactants.
  3. 6. The study of how heat is converted to and from other forms of energy and how it affects matter.
  4. 10. Silver + Hydrochloric Acid-->
  5. 12. The relationship between the quantities of reactants and products before and after chemical reactions.
  6. 14. PV=nRT
  7. 15. Discovered the nucleus of the atom.
  8. 16. Column 8 on the periodic table.
  9. 19. Electrons are transferred between atoms, resulting in cations and anions.
  10. 20. How strongly atoms attract bonding electrons to themselves.
Down
  1. 2. A substance that speeds up a chemical reaction without itself undergoing any chemical change. They do this by lowering the activation energy of a reaction.
  2. 4. Zinc + Oxygen-->
  3. 5. Lithium + Bromine-->
  4. 7. ___'s Law; V1/T1=V2/T2
  5. 8. Exactly 6.02 atoms of a substance.
  6. 9. The number of sig figs in 4.097.
  7. 11. Microscopic particles dispersed evenly in another substance.
  8. 13. Mass of one mole of mercury in grams (with the unit).
  9. 17. Metals tend to ___ electrons.
  10. 18. Crumbles easily, insulator, non-conductive, dull.