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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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このデッキについて

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.

このデッキのカード

  1. カード 1

    質問

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

    回答

    ClO2−\mathrm{ClO}_{2}^{-}

  2. カード 2

    質問

    HSO4−\mathrm{HSO}_{4}^{-}

    What is the name of this polyatomic ion?

    回答

    Hydrogen sulfate (bisulfate)

  3. カード 3

    質問

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

    回答

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

  4. カード 4

    質問

    SCN−\mathrm{SCN}^{-}

    What is the name of this polyatomic ion?

    回答

    Thiocyanate

  5. カード 5

    質問

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

    回答

    ClO−\mathrm{ClO}^{-}

  6. カード 6

    質問

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

    What is the name of this polyatomic ion?

    回答

    Thiosulfate

  7. カード 7

    質問

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

    回答

    PO43−\mathrm{PO}_{4}^{3-}

  8. カード 8

    質問

    OCN−\mathrm{OCN}^{-}

    What is the name of this polyatomic ion?

    回答

    Cyanate

  9. カード 9

    質問

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

    回答

    ClO4−\mathrm{ClO}_{4}^{-}

  10. カード 10

    質問

    SO32−\mathrm{SO}_{3}^{2-}

    What is the name of this polyatomic ion?

    回答

    Sulfite

  11. カード 11

    質問

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

    回答

    HPO42−\mathrm{HPO}_{4}^{2-}

  12. カード 12

    質問

    OH−\mathrm{OH}^{-}

    What is the name of this polyatomic ion?

    回答

    Hydroxide

  13. カード 13

    質問

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

    回答

    ClO3−\mathrm{ClO}_{3}^{-}

  14. カード 14

    質問

    SO42−\mathrm{SO}_{4}^{2-}

    What is the name of this polyatomic ion?

    回答

    Sulfate

  15. カード 15

    質問

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

    回答

    AsO43−\mathrm{AsO}_{4}^{3-}

  16. カード 16

    質問

    NO3−\mathrm{NO}_{3}^{-}

    What is the name of this polyatomic ion?

    回答

    Nitrate

  17. カード 17

    質問

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

    回答

    BrO3−\mathrm{BrO}_{3}^{-}

  18. カード 18

    質問

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

    What is the name of this polyatomic ion?

    回答

    Dichromate

  19. カード 19

    質問

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

    回答

    HCO3−\mathrm{HCO}_{3}^{-}

  20. カード 20

    質問

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

    What is the name of this polyatomic ion?

    回答

    Acetate

  21. カード 21

    質問

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

    回答

    IO3−\mathrm{IO}_{3}^{-}

  22. カード 22

    質問

    CN−\mathrm{CN}^{-}

    What is the name of this polyatomic ion?

    回答

    Cyanide

  23. カード 23

    質問

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

    回答

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

  24. カード 24

    質問

    O22−\mathrm{O}_{2}^{2-}

    What is the name of this polyatomic ion?

    回答

    Peroxide

  25. カード 25

    質問

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

    回答

    CrO42−\mathrm{CrO}_{4}^{2-}

  26. カード 26

    質問

    NO2−\mathrm{NO}_{2}^{-}

    What is the name of this polyatomic ion?

    回答

    Nitrite

  27. カード 27

    質問

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

    回答

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

  28. カード 28

    質問

    CO32−\mathrm{CO}_{3}^{2-}

    What is the name of this polyatomic ion?

    回答

    Carbonate

  29. カード 29

    質問

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

    回答

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

  30. カード 30

    質問

    MnO4−\mathrm{MnO}_{4}^{-}

    What is the name of this polyatomic ion?

    回答

    Permanganate

  31. カード 31

    質問

    ClO2−\mathrm{ClO}_{2}^{-}

    What is the name of this polyatomic ion?

    回答

    Chlorite

  32. カード 32

    質問

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

    回答

    SO42−\mathrm{SO}_{4}^{2-}

  33. カード 33

    質問

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

    What is the name of this polyatomic ion?

    回答

    Dihydrogen phosphate

  34. カード 34

    質問

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

    回答

    SCN−\mathrm{SCN}^{-}

  35. カード 35

    質問

    IO3−\mathrm{IO}_{3}^{-}

    What is the name of this polyatomic ion?

    回答

    Iodate

  36. カード 36

    質問

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

    回答

    HSO4−\mathrm{HSO}_{4}^{-}

  37. カード 37

    質問

    PO43−\mathrm{PO}_{4}^{3-}

    What is the name of this polyatomic ion?

    回答

    Phosphate

  38. カード 38

    質問

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

    回答

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

  39. カード 39

    質問

    BrO3−\mathrm{BrO}_{3}^{-}

    What is the name of this polyatomic ion?

    回答

    Bromate

  40. カード 40

    質問

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

    回答

    O22−\mathrm{O}_{2}^{2-}

  41. カード 41

    質問

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

    回答

    SO32−\mathrm{SO}_{3}^{2-}

  42. カード 42

    質問

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

    回答

    NO2−\mathrm{NO}_{2}^{-}

  43. カード 43

    質問

    ClO−\mathrm{ClO}^{-}

    What is the name of this polyatomic ion?

    回答

    Hypochlorite

  44. カード 44

    質問

    HCO3−\mathrm{HCO}_{3}^{-}

    What is the name of this polyatomic ion?

    回答

    Hydrogen carbonate (bicarbonate)

  45. カード 45

    質問

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

    回答

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

  46. カード 46

    質問

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

    回答

    CN−\mathrm{CN}^{-}

  47. カード 47

    質問

    ClO4−\mathrm{ClO}_{4}^{-}

    What is the name of this polyatomic ion?

    回答

    Perchlorate

  48. カード 48

    質問

    HPO42−\mathrm{HPO}_{4}^{2-}

    What is the name of this polyatomic ion?

    回答

    Hydrogen phosphate

  49. カード 49

    質問

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

    What is the name of this polyatomic ion?

    回答

    Ammonium

  50. カード 50

    質問

    CrO42−\mathrm{CrO}_{4}^{2-}

    What is the name of this polyatomic ion?

    回答

    Chromate

  51. カード 51

    質問

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

    回答

    MnO4−\mathrm{MnO}_{4}^{-}

  52. カード 52

    質問

    ClO3−\mathrm{ClO}_{3}^{-}

    What is the name of this polyatomic ion?

    回答

    Chlorate

  53. カード 53

    質問

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

    What is the name of this polyatomic ion?

    回答

    Hydronium

  54. カード 54

    質問

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

    回答

    CO32−\mathrm{CO}_{3}^{2-}

  55. カード 55

    質問

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

    回答

    NO3−\mathrm{NO}_{3}^{-}

  56. カード 56

    質問

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

    回答

    OH−\mathrm{OH}^{-}

  57. カード 57

    質問

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

    回答

    OCN−\mathrm{OCN}^{-}

  58. カード 58

    質問

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

    What is the name of this polyatomic ion?

    回答

    Oxalate

  59. カード 59

    質問

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

    回答

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

  60. カード 60

    質問

    AsO43−\mathrm{AsO}_{4}^{3-}

    What is the name of this polyatomic ion?

    回答

    Arsenate

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

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Polyatomic Ion Flashcards: 30 Names, Formulas & Charges

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