Science

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Across
  1. 3. substances mixed together but can be reversed
  2. 6. table where all elements are located
  3. 7. types of elements that are solid at room temp
  4. 9. Building block of all things
  5. 10. part of an atom with a positive charge
  6. 11. part of an atom with a neutral charge
  7. 12. state of matter where atoms can move freely
Down
  1. 1. the irreversible change
  2. 2. state of matter where atoms are tightly compacted
  3. 4. part of an atom with a negative charge
  4. 5. state of matter where atoms can move slightly
  5. 8. groups of elements chemically bonded together