Unit 1 Matter and Periodic Table

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Across
  1. 2. describes the ability of a substance to undergo a chemical change or reaction
  2. 8. mixture of substances that is uniform in composition throughout; cannot see individual substances
  3. 9. vertical column on the Periodic Table
  4. 10. where a quantity or multiple quantities can enter or leave the system
  5. 11. pure substance composed of 2 or more different types of atoms in fixed proportions
  6. 13. a combination of 2 or more elements or compounds which have not reacted together and each part retains its own properties
  7. 14. horizontal row on the Periodic Table
  8. 15. pure substances composed of only one type of atom
Down
  1. 1. a formation of a new substance after atoms are rearranged in a chemical reaction
  2. 3. where a quantity or multiple quantities cannot enter or leave the system
  3. 4. the portion of the universe that is being studied
  4. 5. characteristic of a substance that can be observed or measured without changing the identity of the substance
  5. 6. mixture of substances that is not uniform throughout; can see individual substances
  6. 7. no new substance is formed just a change in amount,texture, form, or state
  7. 12. the portion of the universe that is outside the system