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Across
  1. 3. ______ table is the tabular arrangement of elements according to their properties
  2. 6. used to test acidity
  3. 10. examples are water, methane, sodium chloride
  4. 11. examples are hydrogen, iron, lithium
Down
  1. 1. represented by the symbol Ca
  2. 2. made up of two or more atoms of the same kind
  3. 4. elements found on the right side of the periodic table
  4. 5. For ______ substances, the composition does not vary from sample to sample
  5. 7. examples are soap and drain cleaner
  6. 8. generally tastes sour
  7. 9. represented by the symbol Pb