Chemistry Test Vocabulary Review

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Across
  1. 3. A mixture that is NOT the same throughout, like salad
  2. 6. An element on the left side of the zigzag line on the periodic table that is malleable, is ductile, is a conductor, has luster, and has a high density.
  3. 8. This number tells how many of each kind of atom are in a compound
  4. 9. A vertical column or group of elements on the periodic table that all have similar properties
  5. 14. The ability of a substance to be dissolved in another substance
  6. 17. A trait that describes how matter can change into a different substance
  7. 21. The negatively charged subatomic particle
  8. 22. A trait that can be observed without changing the kind of matter
  9. 23. A substance made of two or more elements chemically joined
  10. 26. The new material(s) that are formed at the end of a chemical reaction
  11. 27. The law of _____ of matter states that matter cannot be created or destroyed
  12. 29. A number that comes in front of a chemical formula and tells how many molecules of that substance you have
Down
  1. 1. The subatomic particle with no charge
  2. 2. The material(s) that are on the left side of the arrow in a chemical equation
  3. 4. This type of element is found along the zig-zag line on the periodic table and has properties of both metals and nonmetals
  4. 5. This type of material has a constant composition and has consistent properties throughout the sample. Both elements and compounds are considered to be this.
  5. 7. A mixture that is the same throughout, like salt water
  6. 10. The part of an atom that contains protons and neutrons
  7. 11. An element on the right side of the zigzag line on the periodic table that does not conduct electricity, is brittle, and is dull.
  8. 12. This represents the number of protons in one atom of an element
  9. 13. A change in matter that DOES NOT change what the substance is
  10. 15. The positively charged subatomic particle
  11. 16. The temperature at which a substance will change from liquid to gas
  12. 18. A solid that forms when two non-solids react
  13. 19. A row on the periodic table that is organized by sequential atomic numbers
  14. 20. The average sum of protons and neutrons in an atom
  15. 21. A substance made of only one type of atom
  16. 24. The relationship between the mass and volume of a material
  17. 25. A change in matter that creates a new substance
  18. 28. The temperature at which a substance will change from solid to liquid