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Investigation V: Building With Matter

Hot Seat. Investigation V: Building With Matter. To conduct or not to conduct? That is the question. NaCl (s). To conduct or not to conduct? That is the question. . H 2 O(l). To conduct or not to conduct? That is the question. . Al(s). To conduct or not to conduct? That is the question. .

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Investigation V: Building With Matter

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  1. Hot Seat Investigation V: Building With Matter

  2. To conduct or not to conduct? That is the question. • NaCl(s)

  3. To conduct or not to conduct? That is the question. • H2O(l)

  4. To conduct or not to conduct? That is the question. • Al(s)

  5. To conduct or not to conduct? That is the question. • C12H22O11(s)

  6. To conduct or not to conduct? That is the question. • NaCl(aq)

  7. To conduct or not to conduct? That is the question. • SiO2(s)

  8. To conduct or not to conduct? That is the question. • C20H42(s)

  9. To conduct or not to conduct? That is the question. • C2H6O(l)

  10. To conduct or not to conduct? That is the question. • Cu(s)

  11. To conduct or not to conduct? That is the question. • CaCl2(aq)

  12. To conduct or not to conduct? That is the question. • CuSO4(s)

  13. To conduct or not to conduct? That is the question. • MgSO4(aq)

  14. Which of the following will conduct electricity? (You may choose more than one) • Solid metals • Metal-nonmetal compounds in a solid state • Metal-nonmetal compounds dissolved in water • Non-metal compounds in a solid state • Non-metal compounds dissolved in water

  15. What is an attraction between atoms that holds them together in space? A bond

  16. Made of metal and non-metal atoms

  17. A gas made of nonmetal atoms

  18. Made entirely of metal atoms

  19. Very hard solids made entirely of nonmetal atoms

  20. Tend to be liquids, gases, or softer solids

  21. Brittle solids

  22. Bendable solids

  23. Softer solids that do not conduct electricity

  24. Conducts electricity when dissolved but not when solid

  25. CH4(g) Methane

  26. Si(s) silicon (computer chips)

  27. NaOH(aq) Sodium Hydroxide

  28. Li(s) Lithium

  29. SiO2(s) Silicon dioxide (sand)

  30. 14K gold earrings

  31. What is an atom with a positive or negative charge called? • Ion

  32. Group 1 atoms will always (gain / lose) ___ electrons. • Lose 1

  33. Group 7 atoms will always (gain / lose) ___ electrons. • Gain 1

  34. Group 5 atoms will always (gain / lose) ___ electrons. • Gain 3

  35. Group 2 ions will always have a charge of ___ • +2

  36. Group 17 ions will always have a charge of ___ • -1

  37. The noble gases are located in group _____ (You may choose more than one answer) • 8 • 8A • 18 • VIIIA

  38. Group VIA ions will always have a charge of ___ • -2

  39. Spelling counts! Atoms with a positive charge are called __________ while atoms with a negative charge are called __________ Cations Anions

  40. Noble gases are stable because they… • Have a filled valence (outermost) shell

  41. What is the cationinpotassium bromide? Anion inpotassium bromide? • Cation K+1 • Anion Br-1

  42. What is the cationinmagnesium fluoride? Anion inmagnesium fluoride? • Cation Mg+2 • Anion F-1

  43. What is the chemical formula for magnesium fluoride? • MgF2

  44. What is the name of this compound? NaF • Sodium Fluoride

  45. How many valence electrons are in the compound, K2Se • 8

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