chemistry

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Across
  1. 2. is one of the products of the reaction between sulphuric acid and sodium.
  2. 3. is needed in the compound with nonemetals.
  3. 7. has the same number of sulfur and iron atoms.
  4. 9. produce hydrogen ions in water.
  5. 10. produce hydroxide ions in water.
  6. 12. is the anion of phosphoric acid.
  7. 14. is the oxidation number of oxygen in hydrogen peroxide
  8. 15. are made from a metal cation and acid anion.
  9. 16. numbers are needed in the name of compounds with transition metals.
Down
  1. 1. the anion of Nitric acid.
  2. 4. has 3 nitrogen atoms
  3. 5. Iron(III)nitrate has three Iron atoms.
  4. 6. the anion of sulfuric acid.
  5. 8. are made from oxygen atom(s) and another atom.
  6. 11. are acids that are ionized completely in water.
  7. 12. is the oxidation number of nitrogen in nitric acid.
  8. 13. are bases that have group one metals.