Quizlet Chem Test 2

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  1. 1: MONO
  2. 10: Deca
  3. 2: di
  4. 3: tri
  5. 3 things that Ionic Bonds cause: Hardness, High Melting and Boiling points
  6. 4: tetra
  7. 5: penta
  8. 6: hexa
  9. 7: hepta
  10. 8: octa
  11. 9: nona
  12. All common Polyatomic Ions: negative Charge:-1,-2,-3
  13. Ammonium: the only Polyatomic Ion with Positive charge, NH4+
  14. Anion: ion with negative charge
  15. C,O,N,S: will form multiple bonds
  16. Cation: ion with positive charge
  17. Chemical Bond: forces that hold atoms together in a molecule
  18. Chemical Reactions (Bonding): Atoms combine to form compounds/compounds decompose into atoms
  19. Chromium: Becomes Cr2+ (Chromium II) and Cr3+ (Chromium III)
  20. Compounds: Made up of more than 1 type of atom.
  21. Compounds (still pure substance): Because of constant grouping of atoms and they are electrically nutral
  22. Compounds are Neutral: the sum of ionic charges in formula must ALWAYS BE ZERO
  23. Compounds with 2 elements: name form: "cation anion"
  24. Copper: Cu+ Copper(I) and Cu2+ Copper(II)
  25. Covalent Bond: Sharing e-
  26. Covalent Substances: Consist of nonmetals and are held together by sharing e-(called molecules)
  27. Diatomic Bromine: Br2
  28. Diatomic Chlorine: Cl2
  29. Diatomic Fluorine: F2
  30. Diatomic Gases: Covalent elements
  31. Diatomic Hydrogen: H2
  32. Diatomic Iodine: I2
  33. Diatomic Nitrogen: N2
  34. Diatomic Oxygen: O2`
  35. Double Bonds: share 2 pairs (4e-)
  36. Electronegativity: The ability of an atom to attract bonding electrons L-poor R-Very High
  37. Elements Bond: to become more stable like noble Gases
  38. Exceptions to the naming of P ions: Hydroxide (OH-) and Cyanide (CN-)
  39. Gold: Au+ Gold(I) and Au3+ Gold(III)
  40. Hydrogen: is the ONLY ion that holds a + charge
  41. Ionic bond: Trading e-
  42. Ionic Chemical Formulas: Indicate # and kinds of ions that make up the ionic compounds
  43. Ionic Compounds: Consist of metal cations (+) and nonmetal anions (-)
  44. Ions: atoms that have gained or lost e- and have a charge
  45. Iron: Fe2+ Iron(II) and Fe3+ Iron(III)
  46. Lead: Pb2+ Lead(II) and Pb4+ Lead(IV)
  47. Most Common Polyatomic Ions: End in -ate
  48. Naming Covalent Bonds: First nonmetal named by elemental name Second nonmetal named by ending- ide
  49. Noble Gases: Dont form compounds B/C the outer shell is full (=stability)
  50. Octet Rule: atoms adjust their valence e- to gain noble gas stablity
  51. PIs with One less oxygen atom: end in -ite
  52. Polyatomic Ions: A group of atoms with an electric charge, most consist of nonmetal bonded to O atoms
  53. Rule for writing Ions: Metal cation always comes before nonmetal anions
  54. Stable Octet: Noble Gases
  55. Strong electrical attractions between opposite charges: Ionic bonds
  56. the name of the metal ion: is the same as its element name
  57. the name of the nonmetal ion: is obtained by replacing the end with -ide
  58. The one receives e-: becomes negative
  59. The one that gives e-: becomes positive
  60. Tin: Sn2+ Tin(II) and Sn4+ Tin(IV)
  61. Trading or Sharing e-: Done to form Compounds with 8 Valence e-
  62. Transition Metals: form 2 or more kinds of + ions b\c they lose both valence e- and lower e- name includes charge
  63. Triple Bonds: Share 3 pairs(6e-)