Grade 9 Chemistry

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Across
  1. 3. Elements that are usually gases, not malleable or ductile, and poor conductors
  2. 6. How much matter is inside of an object
  3. 7. The process of boiling a mixture to separate its components
  4. 10. The most stable group of elements
  5. 11. The element in group 11, period 5
  6. 13. The group of elements with atomic numbers 89-103
  7. 14. There are two types of observations, ______ and quantitative
  8. 16. This chemical property is measured in the LD50 of a substance
  9. 18. The type of substance that is made up of only 1 type of non-metal
  10. 24. For at least how many minutes should you rinse your eyes if a chemical gets inside them?
  11. 25. A compound of two different elements sharing electrons
  12. 26. The chemical NAME for potassium combined with chlorine
  13. 27. The type of electrons located on the outer shell of the atom
  14. 28. The property substance that describes the appearance of being clear(examples: clear, translucent, opaque)
  15. 30. The element with an atomic number of 114
  16. 32. The element with 88 neutrons
  17. 36. The number that describes how many protons and neutrons combined an atom has
  18. 37. The most reactive non-metal
  19. 40. Which year did Canada update WHMIS most recently?
  20. 41. The element with a "W" for its symbol
  21. 42. The shape around an HHPS symbol that denotes that the product is dangerous, not the container
Down
  1. 1. The subatomic particle with a neutral(0) charge
  2. 2. The physical properties that can be measured with an instrument
  3. 4. Metals tend to ____ their electrons to gain stability
  4. 5. The danger that the WHMIS symbol with a flame over a circle represents
  5. 6. The chemical NAME for magnesium combined with oxygen
  6. 8. The element in group 10, period 5
  7. 9. The property of a substance that describes the feel of a surface(examples: rough, smooth, bumpy, fine)
  8. 12. The 17th group of elements
  9. 15. This equals mass over volume
  10. 17. An element with a different number of neutrons than is most commonly found of that element
  11. 19. A test used to determine if carbon dioxide is present
  12. 20. A negatively charged ion
  13. 21. The state of matter with the least amount of energy and space between particles
  14. 22. The subatomic particle that is outside of the nucleus
  15. 23. The number of valence electrons Manganese has
  16. 28. The chemical FORMULA for Calcium Bromide(hint: the calcium goes first, also think about how valence electrons interact)
  17. 29. How much space an object takes up
  18. 31. The variable that the researcher changes during an experiment
  19. 33. The name of JJ Thomson's atomic theory
  20. 34. The process in which a gas turns into a solid
  21. 35. A pure substance with multiple different types of particles
  22. 38. The property of a substance that describes how easy a liquid flows
  23. 39. The surname of the spouse of our dear science teacher :3