Element mixtures and compounds crossword

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Across
  1. 4. contains 0 or more atoms/elements
  2. 6. a part or aspect of something abstract, especially one that is essential or characteristic.
  3. 7. anything that has mass and takes up space
  4. 9. a metal made by combining two or more metallic elements, especially to give greater strength or resistance to corrosion.
  5. 10. relating to chemistry, or the interactions of substances as studied in chemistry.
Down
  1. 1. a relationship between people or groups based on shared feelings, interests, or experiences.
  2. 2. a mathematical relationship or rule expressed in symbol
  3. 3. two or more atoms connected by chemical bonds, which form the smallest unit of a substance that retains the composition and properties of that substance
  4. 5. another way of mixing chemicals not chemically bonding tho
  5. 8. like building blocks have combinations