Compounds and Chemical Reactions

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Across
  1. 1. A horizontal row in the Periodic Table.
  2. 3. The compound Magnesium sulfide is made up of Magnesium and ______________.
  3. 5. Made of elements that are joined together.
  4. 7. A pure substance made up of only one type of atom.
  5. 8. The element found in Group 2, Period 4.
  6. 11. This element has the symbol Mg.
  7. 13. Smallest unit that elements are made of.
Down
  1. 1. The nucleus consists of ____________ and neutrons.
  2. 2. Two or more substances ____________ to form new substances.
  3. 4. A vertical column in the Periodic Table.
  4. 6. Iron can be classified as a _____________.
  5. 9. Mass number of twenty seven and a atomic number of thirteen.
  6. 10. Formed when Hydrogen and Oxygen atoms combine.
  7. 12. The common name for Sodium Chloride.