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Polyatomic Ion Flashcards: 30 Names, Formulas & Charges

Learn 30 commonly taught polyatomic ions with 60 two-way flashcards for name, formula, and charge recall.

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За това тесте

These polyatomic ion flashcards cover 30 commonly taught ions in 60 two-way cards. You’ll practice name → exact conventional formula with charge and formula with charge → canonical or common name. Each direction has its own card, so recognizing a formula does not stand in for recalling it.

Every formula is written as standalone LaTeX with conventional subscripts and a superscript charge. The fixed sequence interleaves both directions and ion families, keeps close variants at least three unrelated cards apart, and leaves longer-term spacing to the review scheduler.

Hydrogen carbonate (bicarbonate) and hydrogen sulfate (bisulfate) are the only paired names. The deck leaves out monatomic ions; borate, phosphite, and silicate, whose classroom species or formula conventions can vary; and compound naming, charge balancing, structures, oxidation states, solubility, colors, applications, reaction prediction, and general naming-rule theory.

ChEBI records were used to verify names, formulas, and charges, with PubChem used as an independent cross-check where its exact ion record was unambiguous. All prompts, answers, selection, order, metadata, and cover composition were created independently. No source or competitor prose, images, screenshots, selection order, trade dress, or logos were copied. Facts are not claimed as proprietary. The original wording, organization, metadata, and cover are dedicated under CC0 1.0 to the extent applicable rights exist.

Карти в това тесте

  1. Карта 1

    Въпрос

    What is the formula, including its charge, for chlorite?

    Отговор

    ClO2−\mathrm{ClO}_{2}^{-}

  2. Карта 2

    Въпрос

    HSO4−\mathrm{HSO}_{4}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Hydrogen sulfate (bisulfate)

  3. Карта 3

    Въпрос

    What is the formula, including its charge, for dihydrogen phosphate?

    Отговор

    H2PO4−\mathrm{H}_{2}\mathrm{PO}_{4}^{-}

  4. Карта 4

    Въпрос

    SCN−\mathrm{SCN}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Thiocyanate

  5. Карта 5

    Въпрос

    What is the formula, including its charge, for hypochlorite?

    Отговор

    ClO−\mathrm{ClO}^{-}

  6. Карта 6

    Въпрос

    S2O32−\mathrm{S}_{2}\mathrm{O}_{3}^{2-}

    What is the name of this polyatomic ion?

    Отговор

    Thiosulfate

  7. Карта 7

    Въпрос

    What is the formula, including its charge, for phosphate?

    Отговор

    PO43−\mathrm{PO}_{4}^{3-}

  8. Карта 8

    Въпрос

    OCN−\mathrm{OCN}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Cyanate

  9. Карта 9

    Въпрос

    What is the formula, including its charge, for perchlorate?

    Отговор

    ClO4−\mathrm{ClO}_{4}^{-}

  10. Карта 10

    Въпрос

    SO32−\mathrm{SO}_{3}^{2-}

    What is the name of this polyatomic ion?

    Отговор

    Sulfite

  11. Карта 11

    Въпрос

    What is the formula, including its charge, for hydrogen phosphate?

    Отговор

    HPO42−\mathrm{HPO}_{4}^{2-}

  12. Карта 12

    Въпрос

    OH−\mathrm{OH}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Hydroxide

  13. Карта 13

    Въпрос

    What is the formula, including its charge, for chlorate?

    Отговор

    ClO3−\mathrm{ClO}_{3}^{-}

  14. Карта 14

    Въпрос

    SO42−\mathrm{SO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Отговор

    Sulfate

  15. Карта 15

    Въпрос

    What is the formula, including its charge, for arsenate?

    Отговор

    AsO43−\mathrm{AsO}_{4}^{3-}

  16. Карта 16

    Въпрос

    NO3−\mathrm{NO}_{3}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Nitrate

  17. Карта 17

    Въпрос

    What is the formula, including its charge, for bromate?

    Отговор

    BrO3−\mathrm{BrO}_{3}^{-}

  18. Карта 18

    Въпрос

    Cr2O72−\mathrm{Cr}_{2}\mathrm{O}_{7}^{2-}

    What is the name of this polyatomic ion?

    Отговор

    Dichromate

  19. Карта 19

    Въпрос

    What is the formula, including its charge, for hydrogen carbonate (bicarbonate)?

    Отговор

    HCO3−\mathrm{HCO}_{3}^{-}

  20. Карта 20

    Въпрос

    C2H3O2−\mathrm{C}_{2}\mathrm{H}_{3}\mathrm{O}_{2}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Acetate

  21. Карта 21

    Въпрос

    What is the formula, including its charge, for iodate?

    Отговор

    IO3−\mathrm{IO}_{3}^{-}

  22. Карта 22

    Въпрос

    CN−\mathrm{CN}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Cyanide

  23. Карта 23

    Въпрос

    What is the formula, including its charge, for hydronium?

    Отговор

    H3O+\mathrm{H}_{3}\mathrm{O}^{+}

  24. Карта 24

    Въпрос

    O22−\mathrm{O}_{2}^{2-}

    What is the name of this polyatomic ion?

    Отговор

    Peroxide

  25. Карта 25

    Въпрос

    What is the formula, including its charge, for chromate?

    Отговор

    CrO42−\mathrm{CrO}_{4}^{2-}

  26. Карта 26

    Въпрос

    NO2−\mathrm{NO}_{2}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Nitrite

  27. Карта 27

    Въпрос

    What is the formula, including its charge, for ammonium?

    Отговор

    NH4+\mathrm{NH}_{4}^{+}

  28. Карта 28

    Въпрос

    CO32−\mathrm{CO}_{3}^{2-}

    What is the name of this polyatomic ion?

    Отговор

    Carbonate

  29. Карта 29

    Въпрос

    What is the formula, including its charge, for oxalate?

    Отговор

    C2O42−\mathrm{C}_{2}\mathrm{O}_{4}^{2-}

  30. Карта 30

    Въпрос

    MnO4−\mathrm{MnO}_{4}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Permanganate

  31. Карта 31

    Въпрос

    ClO2−\mathrm{ClO}_{2}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Chlorite

  32. Карта 32

    Въпрос

    What is the formula, including its charge, for sulfate?

    Отговор

    SO42−\mathrm{SO}_{4}^{2-}

  33. Карта 33

    Въпрос

    H2PO4−\mathrm{H}_{2}\mathrm{PO}_{4}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Dihydrogen phosphate

  34. Карта 34

    Въпрос

    What is the formula, including its charge, for thiocyanate?

    Отговор

    SCN−\mathrm{SCN}^{-}

  35. Карта 35

    Въпрос

    IO3−\mathrm{IO}_{3}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Iodate

  36. Карта 36

    Въпрос

    What is the formula, including its charge, for hydrogen sulfate (bisulfate)?

    Отговор

    HSO4−\mathrm{HSO}_{4}^{-}

  37. Карта 37

    Въпрос

    PO43−\mathrm{PO}_{4}^{3-}

    What is the name of this polyatomic ion?

    Отговор

    Phosphate

  38. Карта 38

    Въпрос

    What is the formula, including its charge, for dichromate?

    Отговор

    Cr2O72−\mathrm{Cr}_{2}\mathrm{O}_{7}^{2-}

  39. Карта 39

    Въпрос

    BrO3−\mathrm{BrO}_{3}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Bromate

  40. Карта 40

    Въпрос

    What is the formula, including its charge, for peroxide?

    Отговор

    O22−\mathrm{O}_{2}^{2-}

  41. Карта 41

    Въпрос

    What is the formula, including its charge, for sulfite?

    Отговор

    SO32−\mathrm{SO}_{3}^{2-}

  42. Карта 42

    Въпрос

    What is the formula, including its charge, for nitrite?

    Отговор

    NO2−\mathrm{NO}_{2}^{-}

  43. Карта 43

    Въпрос

    ClO−\mathrm{ClO}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Hypochlorite

  44. Карта 44

    Въпрос

    HCO3−\mathrm{HCO}_{3}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Hydrogen carbonate (bicarbonate)

  45. Карта 45

    Въпрос

    What is the formula, including its charge, for acetate?

    Отговор

    C2H3O2−\mathrm{C}_{2}\mathrm{H}_{3}\mathrm{O}_{2}^{-}

  46. Карта 46

    Въпрос

    What is the formula, including its charge, for cyanide?

    Отговор

    CN−\mathrm{CN}^{-}

  47. Карта 47

    Въпрос

    ClO4−\mathrm{ClO}_{4}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Perchlorate

  48. Карта 48

    Въпрос

    HPO42−\mathrm{HPO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Отговор

    Hydrogen phosphate

  49. Карта 49

    Въпрос

    NH4+\mathrm{NH}_{4}^{+}

    What is the name of this polyatomic ion?

    Отговор

    Ammonium

  50. Карта 50

    Въпрос

    CrO42−\mathrm{CrO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Отговор

    Chromate

  51. Карта 51

    Въпрос

    What is the formula, including its charge, for permanganate?

    Отговор

    MnO4−\mathrm{MnO}_{4}^{-}

  52. Карта 52

    Въпрос

    ClO3−\mathrm{ClO}_{3}^{-}

    What is the name of this polyatomic ion?

    Отговор

    Chlorate

  53. Карта 53

    Въпрос

    H3O+\mathrm{H}_{3}\mathrm{O}^{+}

    What is the name of this polyatomic ion?

    Отговор

    Hydronium

  54. Карта 54

    Въпрос

    What is the formula, including its charge, for carbonate?

    Отговор

    CO32−\mathrm{CO}_{3}^{2-}

  55. Карта 55

    Въпрос

    What is the formula, including its charge, for nitrate?

    Отговор

    NO3−\mathrm{NO}_{3}^{-}

  56. Карта 56

    Въпрос

    What is the formula, including its charge, for hydroxide?

    Отговор

    OH−\mathrm{OH}^{-}

  57. Карта 57

    Въпрос

    What is the formula, including its charge, for cyanate?

    Отговор

    OCN−\mathrm{OCN}^{-}

  58. Карта 58

    Въпрос

    C2O42−\mathrm{C}_{2}\mathrm{O}_{4}^{2-}

    What is the name of this polyatomic ion?

    Отговор

    Oxalate

  59. Карта 59

    Въпрос

    What is the formula, including its charge, for thiosulfate?

    Отговор

    S2O32−\mathrm{S}_{2}\mathrm{O}_{3}^{2-}

  60. Карта 60

    Въпрос

    AsO43−\mathrm{AsO}_{4}^{3-}

    What is the name of this polyatomic ion?

    Отговор

    Arsenate

Abstract clusters of connected spheres arranged in a balanced chemistry-inspired pattern on a deep blue background.

60 карти

Polyatomic Ion Flashcards: 30 Names, Formulas & Charges

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