Science 9

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Across
  1. 1. When a liquid goes through evaporation it changes into a
  2. 3. Wehre all the DNA is stored
  3. 4. A pure substance only containing one type of atom The basic unit of a chemical element
  4. 6. A pure substance containing 2 types of atoms that are joined together
  5. 7. Platinum is an element that is palced in the section that contains
  6. 9. Can mutate into different elements when unstable
  7. 10. When a liquid is below it's freezing point it is mixture Is made up of 2 or more chemical subtances
Down
  1. 1. the symbol for this element is Au
  2. 2. The big letters in each box on the periodic table are the __ for elements
  3. 3. A type of gas/non-metal
  4. 5. The symbol for this element is H
  5. 8. A state of matter