The Periodic Table

123456789
Across
  1. 2. A group of 2 or more atoms strongly joined
  2. 4. The name for a row in the periodic table
  3. 6. Thousands of small molecules in repeated pattern
  4. 7. The smallest part of an element that can exist
  5. 8. Substance made up of atoms of 2 or more elements
  6. 9. An example of a noble gas
Down
  1. 1. The name for a column of the periodic table
  2. 3. A pure substance consisting of one atom
  3. 5. A compound of hydrogen, oxygen and metal
  4. 8. A compound of carbon, oxygen and metal