Chem 121 UNR final
Study online at https://quizlet.com/_h8ao8m
1. Homogenous Mixture: mixture same throughout EX) Air
2. Heterogenous Mixture: Mixture different throughout EX) Smoke
3. Density=: Mass(g)/Volume(l)
4. Filtration: Used to sperate a hetro mixture
5. Distillation: from Homo Mixture, Use boiling points
6. Kilo: 1x10^3
7. Centi: 1x10^-2
8. Mili: 1x10^-3
9. Micro: 1x10^-6
10. Nano: 1x10^9
11. Pico: 1x10^-12
12. Add or Subtract =: number of decimal places
13. multiply or divide =: number of sig figs
14. Never a sig fig: 0's at the beginning of a number
15. 0's between 2 sig fig: Are significant
16. all non zero: are significant
17. 0's at the end, when decimal place is present: are significant
18. Law of conservation of mass: matter cannot be created or destroyed
19. law of constant composition: relative proportions of mass are the same
20. Ernest Ruthford's Experiment: shot particles at a relevance: discovered posi-
tively charged particles, the Nucleus
21. Atomic Number: Top number on Element, Number of Protons
22. Number Below Element Symbol: Atomic Weight
23. Isotope: same number of protons different number or neutrons
24. Ion: same number of protons different number of electrons
25. Group 1: alkaline metals
26. group 2: alkali earth metals
27. group 16: chalogens
28. group 17: halogens
1/5
, Chem 121 UNR final
Study online at https://quizlet.com/_h8ao8m
29. group 18: noble gases
30. groups 3-15: transfer metals
31. Fractional Abundance: [(atomic weight)(% decimal from)] + [""]
32. common ions: NO3-
SO4-
ClO4-
ClO3-
33. Types of Nomenclature Compounds: Ionic (metal/Nonmetal)
Molecular (nonmetal/nonmetal)
34. -ite nomenclature: compound with least amount of oxygen
35. -ate nomenclature: most amount of oxygen
36. mono - molecular: 1
37. di - molecular: 2
38. tri - molecular: 3
39. tetra -molecular: 4
40. Penta - molecular: 5
41. hexa - molecular: 6
42. hepta - molecular: 7
43. octa - molecular: 8
44. nona - molecular: 9
45. deca - molecular: 10
46. Acid Ionic: ide = hypo_____ic acid
47. acid Binary: ide= Hydro___ic acid
48. ite acid: =____ous acid
49. ate acid: =____ic acid
50. transition metals: name using roman numerals
51. Combination Rxn: A+B--->AB
52. Combustion Rxn: A+B---->CO2+H2O
53. Decomposition Rxn: AB-->A+B
54. Formula weight (Molar Mass): amount of grams in compound per 1 mole
55. Empirical: simplest form of a compound
CH2O
56. Molecular: actual ratio of compound
C6H12O6
57. Finding Empirical Formula: 1)assume we have 100g
2)convert to grams
3) divide by lowest number
58. Limiting Reactant: the element that determines the reaction
59. solution: a homogenous mixture of 2 or more substances
2/5
Study online at https://quizlet.com/_h8ao8m
1. Homogenous Mixture: mixture same throughout EX) Air
2. Heterogenous Mixture: Mixture different throughout EX) Smoke
3. Density=: Mass(g)/Volume(l)
4. Filtration: Used to sperate a hetro mixture
5. Distillation: from Homo Mixture, Use boiling points
6. Kilo: 1x10^3
7. Centi: 1x10^-2
8. Mili: 1x10^-3
9. Micro: 1x10^-6
10. Nano: 1x10^9
11. Pico: 1x10^-12
12. Add or Subtract =: number of decimal places
13. multiply or divide =: number of sig figs
14. Never a sig fig: 0's at the beginning of a number
15. 0's between 2 sig fig: Are significant
16. all non zero: are significant
17. 0's at the end, when decimal place is present: are significant
18. Law of conservation of mass: matter cannot be created or destroyed
19. law of constant composition: relative proportions of mass are the same
20. Ernest Ruthford's Experiment: shot particles at a relevance: discovered posi-
tively charged particles, the Nucleus
21. Atomic Number: Top number on Element, Number of Protons
22. Number Below Element Symbol: Atomic Weight
23. Isotope: same number of protons different number or neutrons
24. Ion: same number of protons different number of electrons
25. Group 1: alkaline metals
26. group 2: alkali earth metals
27. group 16: chalogens
28. group 17: halogens
1/5
, Chem 121 UNR final
Study online at https://quizlet.com/_h8ao8m
29. group 18: noble gases
30. groups 3-15: transfer metals
31. Fractional Abundance: [(atomic weight)(% decimal from)] + [""]
32. common ions: NO3-
SO4-
ClO4-
ClO3-
33. Types of Nomenclature Compounds: Ionic (metal/Nonmetal)
Molecular (nonmetal/nonmetal)
34. -ite nomenclature: compound with least amount of oxygen
35. -ate nomenclature: most amount of oxygen
36. mono - molecular: 1
37. di - molecular: 2
38. tri - molecular: 3
39. tetra -molecular: 4
40. Penta - molecular: 5
41. hexa - molecular: 6
42. hepta - molecular: 7
43. octa - molecular: 8
44. nona - molecular: 9
45. deca - molecular: 10
46. Acid Ionic: ide = hypo_____ic acid
47. acid Binary: ide= Hydro___ic acid
48. ite acid: =____ous acid
49. ate acid: =____ic acid
50. transition metals: name using roman numerals
51. Combination Rxn: A+B--->AB
52. Combustion Rxn: A+B---->CO2+H2O
53. Decomposition Rxn: AB-->A+B
54. Formula weight (Molar Mass): amount of grams in compound per 1 mole
55. Empirical: simplest form of a compound
CH2O
56. Molecular: actual ratio of compound
C6H12O6
57. Finding Empirical Formula: 1)assume we have 100g
2)convert to grams
3) divide by lowest number
58. Limiting Reactant: the element that determines the reaction
59. solution: a homogenous mixture of 2 or more substances
2/5
