Grade 8 Integrated - Unit 7 & 8

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Across
  1. 3. chloride Common table salt
  2. 5. The joining of atoms to form new substances
  3. 7. solution A type of mixture where a substance is completely dissolved in another
  4. 10. Table A chart that organizes all known elements
  5. 11. The smallest units of an element that retain its properties
  6. 12. Substances that produce hydroxide ions when dissolved in water
  7. 14. Easily broken or cracked
  8. 16. Mixtures of metals with other metals or elements
  9. 18. Two or more atoms bonded together
  10. 19. To lead or guide something, such as electricity
  11. 21. A pure substance made of only one kind of atom
  12. 22. A combination of different substances not chemically bonded
Down
  1. 1. Vertical columns in the periodic table
  2. 2. A substance made of two or more different elements bonded together
  3. 4. Transfers heat or electricity
  4. 6. A representation of the elements in a compound and their ratios
  5. 8. A shorthand representation of an element
  6. 9. Compounds containing the hydroxide ion, OH-
  7. 13. An alloy of iron and carbon
  8. 15. An alloy of copper and tin
  9. 17. A device used to condense a gas into a liquid
  10. 20. Horizontal rows in the periodic table