CHEM 139 Practice Evaluation 1 Vocabulary Flashcards

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Flashcards covering key terms, formulas, electronegativity values, polyatomic ions, and classifications of matter from CHEM 139.

Last updated 4:39 AM on 9/16/26
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57 Terms

1
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Ammonium

NH4+NH_4^+

2
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Nitrite

NO2−NO_2^-

3
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Nitrate

NO3−NO_3^-

4
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Sulfite

SO32−SO_3^{2-}

5
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Sulfate

SO42−SO_4^{2-}

6
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Hydroxide

OH−OH^-

7
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Cyanide

CN−CN^-

8
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Acetate

C2H3O2−C_2H_3O_2^-

9
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Carbonate

CO32−CO_3^{2-}

10
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Bicarbonate

HCO3−HCO_3^-

11
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Hypochlorite

ClO−ClO^-

12
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Chlorite

ClO2−ClO_2^-

13
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Chlorate

ClO3−ClO_3^-

14
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Perchlorate

ClO4−ClO_4^-

15
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Phosphite

PO33−PO_3^{3-}

16
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Phosphate

PO43−PO_4^{3-}

17
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Phosphorus Pentachloride

PCl5PCl_5

18
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Hypochlorous Acid

HClOHClO

19
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Sulfuric Acid

H2SO4H_2SO_4

20
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Dihydrogen Sulfide

H2SH_2S

21
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Coffee (Matter Classification)

Homogeneous Mixture

22
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Xenon (Xe) (Matter Classification)

Pure Element

23
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A burger on a roll (Matter Classification)

Heterogeneous Mixture

24
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Salt (NaCl) (Matter Classification)

Pure Compound

25
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Select all elements that naturally occur as monoatomic elements

Potassium (K)

26
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Select all molecules below that contain a 3+ cation.


27
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Select all elements/ions below whose last electron has ms = +½

Vanadium (V)

28
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Ammonium

NH4+NH_4^+

29
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30
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Ammonium

NH4+NH_4^+

31
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Nitrite

NO2−NO_2^-

32
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Nitrate

NO3−NO_3^-

33
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Sulfite

SO32−SO_3^{2-}

34
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Sulfate

SO42−SO_4^{2-}

35
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Hydroxide

OH−OH^-

36
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Cyanide

CN−CN^-

37
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Acetate

C2H3O2−C_2H_3O_2^-

38
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Carbonate

CO32−CO_3^{2-}

39
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Bicarbonate

HCO3−HCO_3^-

40
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Hypochlorite

ClO−ClO^-

41
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Chlorite

ClO2−ClO_2^-

42
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Chlorate

ClO3−ClO_3^-

43
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Perchlorate

ClO4−ClO_4^-

44
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Phosphite

PO33−PO_3^{3-}

45
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Phosphate

PO43−PO_4^{3-}

46
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Phosphorus Pentachloride

PCl5PCl_5

47
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Hypochlorous Acid

HClOHClO

48
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Sulfuric Acid

H2SO4(aq)H_2SO_4(aq)

49
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Hydrosulfuric Acid

H2S(aq)H_2S(aq)

50
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Dihydrogen Sulfide

H2S(g)H_2S(g)

51
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Coffee (Matter Classification)

Homogeneous Mixture

52
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Xenon (Xe) (Matter Classification)

Pure Element

53
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A burger on a roll (Matter Classification)

Heterogeneous Mixture

54
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Salt (NaCl) (Matter Classification)

Pure Compound

55
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Select all elements that naturally occur as monoatomic elements

Potassium (K)

56
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Select all molecules below that contain a 3+ cation.

Al2O3Al_2O_3, DyPO4DyPO_4, VNVN

57
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Select all elements/ions below whose last electron has ms = +½

Vanadium (V)