Science Crossword Puzzle!!!!! Autumn and Valerie

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Across
  1. 3. Tells you the ratio of elements in the compound.
  2. 4. Compound- A compound that is composed of molecules.
  3. 7. Bond- The force of attraction that holds two atoms together as a result of the rearrangement of electrons between them.
  4. 8. Bond-The chemical bond formed when two atoms share electrons.
  5. 9. The simplest pure substances, and they cannot be broken down into any other substances.
  6. 12. Bond- This time the two atoms share two pairs of electrons which forms this.
  7. 13. An atom or group of atoms that has an electric charge.
  8. 15. Dot Diagrams- This includes the symbol for the element surrounded by dots. Each dot stands for one electron.
Down
  1. 1. Ions- Ions that are made of more than one atom.
  2. 2. The ions form an orderly, three dimensional arrangement.
  3. 5. Formula- A combination of symbols that shows the ratio of elements in a compound.
  4. 6. Electrons- The electrons that have the highest energy level and are held the most loosely.
  5. 10. Level- The specific amount of energy an electron has.
  6. 11. Bonds- Their atoms share three pairs of elements.
  7. 14. Bond- The attraction between two oppositely charged ions.