Chemical Bonds

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Across
  1. 1. bonds share electrons
  2. 3. bond links between atoms
  3. 5. become positive charged ions
  4. 7. bonds transfer electrons
  5. 8. become negative charged ions
Down
  1. 1. reaction when bonds are built/broken and a new substance is created
  2. 2. electrons Most outer electrons on a ring of an atom
  3. 4. reaction of chemical bonds that causes heat
  4. 5. group of atoms bond together
  5. 6. protons, neutrons, electrons