U5 Bonding Explore Lab Crossword

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Across
  1. 3. Positively charged atom
  2. 5. A set of chemical symbols showing the elements present in a compound and their relative proportions
  3. 8. Two atoms coming together, merging electrons to fill the outer shell
  4. 10. Electron in the outermost shell of an atom
Down
  1. 1. Changes somethings identity completely
  2. 2. An atom giving electrons to another atoms to make themselves opposites and then attracting
  3. 4. negatively charged atoms
  4. 6. Groups of atoms held together with chemical bonds
  5. 7. The links between atoms in a substance that determine its identity
  6. 9. The main building blocks of everything