Elements, Compounds and Mixtures

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Across
  1. 3. The term for a splint on fire
  2. 4. A single type of atom
  3. 6. This is used to test the presence of hydrogen/oxygen
  4. 7. The group of elements that do not react to anything
  5. 8. The term for the letter(s) shown in the periodic table
  6. 9. What the atomic number in an element represents
Down
  1. 1. The item added to create hydrogen
  2. 2. the amount of groups in a periodic table (in words)
  3. 5. The chemical that speeds up a reaction