Matter

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Across
  1. 2. Two or more kinds of substances that are physically combined
  2. 3. Anything that has mass and takes up space and is composed of atoms and molecules
  3. 5. Organizes elements by their properties
  4. 6. Consists of two or more elements bound together and can be broken down by chemical means
  5. 7. Whenever a group of atoms is held together
  6. 9. Consists of 1 kind of atom and can not be broken down chemically or physically
  7. 11. Components are uniform, they can not be observed separately
Down
  1. 1. Are composed of one kind of element or compound
  2. 4. Components are not uniform, they can be observed separately
  3. 8. A group of atoms bonded together
  4. 10. Smallest unit of matter