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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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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.

Šio rinkinio kortelės

  1. 1 kortelė

    Klausimas

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

    Atsakymas

    ClO2−\mathrm{ClO}_{2}^{-}

  2. 2 kortelė

    Klausimas

    HSO4−\mathrm{HSO}_{4}^{-}

    What is the name of this polyatomic ion?

    Atsakymas

    Hydrogen sulfate (bisulfate)

  3. 3 kortelė

    Klausimas

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

    Atsakymas

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

  4. 4 kortelė

    Klausimas

    SCN−\mathrm{SCN}^{-}

    What is the name of this polyatomic ion?

    Atsakymas

    Thiocyanate

  5. 5 kortelė

    Klausimas

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

    Atsakymas

    ClO−\mathrm{ClO}^{-}

  6. 6 kortelė

    Klausimas

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

    What is the name of this polyatomic ion?

    Atsakymas

    Thiosulfate

  7. 7 kortelė

    Klausimas

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

    Atsakymas

    PO43−\mathrm{PO}_{4}^{3-}

  8. 8 kortelė

    Klausimas

    OCN−\mathrm{OCN}^{-}

    What is the name of this polyatomic ion?

    Atsakymas

    Cyanate

  9. 9 kortelė

    Klausimas

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

    Atsakymas

    ClO4−\mathrm{ClO}_{4}^{-}

  10. 10 kortelė

    Klausimas

    SO32−\mathrm{SO}_{3}^{2-}

    What is the name of this polyatomic ion?

    Atsakymas

    Sulfite

  11. 11 kortelė

    Klausimas

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

    Atsakymas

    HPO42−\mathrm{HPO}_{4}^{2-}

  12. 12 kortelė

    Klausimas

    OH−\mathrm{OH}^{-}

    What is the name of this polyatomic ion?

    Atsakymas

    Hydroxide

  13. 13 kortelė

    Klausimas

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

    Atsakymas

    ClO3−\mathrm{ClO}_{3}^{-}

  14. 14 kortelė

    Klausimas

    SO42−\mathrm{SO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Atsakymas

    Sulfate

  15. 15 kortelė

    Klausimas

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

    Atsakymas

    AsO43−\mathrm{AsO}_{4}^{3-}

  16. 16 kortelė

    Klausimas

    NO3−\mathrm{NO}_{3}^{-}

    What is the name of this polyatomic ion?

    Atsakymas

    Nitrate

  17. 17 kortelė

    Klausimas

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

    Atsakymas

    BrO3−\mathrm{BrO}_{3}^{-}

  18. 18 kortelė

    Klausimas

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

    What is the name of this polyatomic ion?

    Atsakymas

    Dichromate

  19. 19 kortelė

    Klausimas

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

    Atsakymas

    HCO3−\mathrm{HCO}_{3}^{-}

  20. 20 kortelė

    Klausimas

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

    What is the name of this polyatomic ion?

    Atsakymas

    Acetate

  21. 21 kortelė

    Klausimas

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

    Atsakymas

    IO3−\mathrm{IO}_{3}^{-}

  22. 22 kortelė

    Klausimas

    CN−\mathrm{CN}^{-}

    What is the name of this polyatomic ion?

    Atsakymas

    Cyanide

  23. 23 kortelė

    Klausimas

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

    Atsakymas

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

  24. 24 kortelė

    Klausimas

    O22−\mathrm{O}_{2}^{2-}

    What is the name of this polyatomic ion?

    Atsakymas

    Peroxide

  25. 25 kortelė

    Klausimas

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

    Atsakymas

    CrO42−\mathrm{CrO}_{4}^{2-}

  26. 26 kortelė

    Klausimas

    NO2−\mathrm{NO}_{2}^{-}

    What is the name of this polyatomic ion?

    Atsakymas

    Nitrite

  27. 27 kortelė

    Klausimas

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

    Atsakymas

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

  28. 28 kortelė

    Klausimas

    CO32−\mathrm{CO}_{3}^{2-}

    What is the name of this polyatomic ion?

    Atsakymas

    Carbonate

  29. 29 kortelė

    Klausimas

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

    Atsakymas

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

  30. 30 kortelė

    Klausimas

    MnO4−\mathrm{MnO}_{4}^{-}

    What is the name of this polyatomic ion?

    Atsakymas

    Permanganate

  31. 31 kortelė

    Klausimas

    ClO2−\mathrm{ClO}_{2}^{-}

    What is the name of this polyatomic ion?

    Atsakymas

    Chlorite

  32. 32 kortelė

    Klausimas

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

    Atsakymas

    SO42−\mathrm{SO}_{4}^{2-}

  33. 33 kortelė

    Klausimas

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

    What is the name of this polyatomic ion?

    Atsakymas

    Dihydrogen phosphate

  34. 34 kortelė

    Klausimas

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

    Atsakymas

    SCN−\mathrm{SCN}^{-}

  35. 35 kortelė

    Klausimas

    IO3−\mathrm{IO}_{3}^{-}

    What is the name of this polyatomic ion?

    Atsakymas

    Iodate

  36. 36 kortelė

    Klausimas

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

    Atsakymas

    HSO4−\mathrm{HSO}_{4}^{-}

  37. 37 kortelė

    Klausimas

    PO43−\mathrm{PO}_{4}^{3-}

    What is the name of this polyatomic ion?

    Atsakymas

    Phosphate

  38. 38 kortelė

    Klausimas

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

    Atsakymas

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

  39. 39 kortelė

    Klausimas

    BrO3−\mathrm{BrO}_{3}^{-}

    What is the name of this polyatomic ion?

    Atsakymas

    Bromate

  40. 40 kortelė

    Klausimas

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

    Atsakymas

    O22−\mathrm{O}_{2}^{2-}

  41. 41 kortelė

    Klausimas

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

    Atsakymas

    SO32−\mathrm{SO}_{3}^{2-}

  42. 42 kortelė

    Klausimas

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

    Atsakymas

    NO2−\mathrm{NO}_{2}^{-}

  43. 43 kortelė

    Klausimas

    ClO−\mathrm{ClO}^{-}

    What is the name of this polyatomic ion?

    Atsakymas

    Hypochlorite

  44. 44 kortelė

    Klausimas

    HCO3−\mathrm{HCO}_{3}^{-}

    What is the name of this polyatomic ion?

    Atsakymas

    Hydrogen carbonate (bicarbonate)

  45. 45 kortelė

    Klausimas

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

    Atsakymas

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

  46. 46 kortelė

    Klausimas

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

    Atsakymas

    CN−\mathrm{CN}^{-}

  47. 47 kortelė

    Klausimas

    ClO4−\mathrm{ClO}_{4}^{-}

    What is the name of this polyatomic ion?

    Atsakymas

    Perchlorate

  48. 48 kortelė

    Klausimas

    HPO42−\mathrm{HPO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Atsakymas

    Hydrogen phosphate

  49. 49 kortelė

    Klausimas

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

    What is the name of this polyatomic ion?

    Atsakymas

    Ammonium

  50. 50 kortelė

    Klausimas

    CrO42−\mathrm{CrO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Atsakymas

    Chromate

  51. 51 kortelė

    Klausimas

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

    Atsakymas

    MnO4−\mathrm{MnO}_{4}^{-}

  52. 52 kortelė

    Klausimas

    ClO3−\mathrm{ClO}_{3}^{-}

    What is the name of this polyatomic ion?

    Atsakymas

    Chlorate

  53. 53 kortelė

    Klausimas

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

    What is the name of this polyatomic ion?

    Atsakymas

    Hydronium

  54. 54 kortelė

    Klausimas

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

    Atsakymas

    CO32−\mathrm{CO}_{3}^{2-}

  55. 55 kortelė

    Klausimas

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

    Atsakymas

    NO3−\mathrm{NO}_{3}^{-}

  56. 56 kortelė

    Klausimas

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

    Atsakymas

    OH−\mathrm{OH}^{-}

  57. 57 kortelė

    Klausimas

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

    Atsakymas

    OCN−\mathrm{OCN}^{-}

  58. 58 kortelė

    Klausimas

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

    What is the name of this polyatomic ion?

    Atsakymas

    Oxalate

  59. 59 kortelė

    Klausimas

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

    Atsakymas

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

  60. 60 kortelė

    Klausimas

    AsO43−\mathrm{AsO}_{4}^{3-}

    What is the name of this polyatomic ion?

    Atsakymas

    Arsenate

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

60 kortelių

Polyatomic Ion Flashcards: 30 Names, Formulas & Charges

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