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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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Informazioni su questo mazzo

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.

Carte in questo mazzo

  1. Carta 1

    Domanda

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

    Risposta

    ClO2−\mathrm{ClO}_{2}^{-}

  2. Carta 2

    Domanda

    HSO4−\mathrm{HSO}_{4}^{-}

    What is the name of this polyatomic ion?

    Risposta

    Hydrogen sulfate (bisulfate)

  3. Carta 3

    Domanda

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

    Risposta

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

  4. Carta 4

    Domanda

    SCN−\mathrm{SCN}^{-}

    What is the name of this polyatomic ion?

    Risposta

    Thiocyanate

  5. Carta 5

    Domanda

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

    Risposta

    ClO−\mathrm{ClO}^{-}

  6. Carta 6

    Domanda

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

    What is the name of this polyatomic ion?

    Risposta

    Thiosulfate

  7. Carta 7

    Domanda

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

    Risposta

    PO43−\mathrm{PO}_{4}^{3-}

  8. Carta 8

    Domanda

    OCN−\mathrm{OCN}^{-}

    What is the name of this polyatomic ion?

    Risposta

    Cyanate

  9. Carta 9

    Domanda

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

    Risposta

    ClO4−\mathrm{ClO}_{4}^{-}

  10. Carta 10

    Domanda

    SO32−\mathrm{SO}_{3}^{2-}

    What is the name of this polyatomic ion?

    Risposta

    Sulfite

  11. Carta 11

    Domanda

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

    Risposta

    HPO42−\mathrm{HPO}_{4}^{2-}

  12. Carta 12

    Domanda

    OH−\mathrm{OH}^{-}

    What is the name of this polyatomic ion?

    Risposta

    Hydroxide

  13. Carta 13

    Domanda

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

    Risposta

    ClO3−\mathrm{ClO}_{3}^{-}

  14. Carta 14

    Domanda

    SO42−\mathrm{SO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Risposta

    Sulfate

  15. Carta 15

    Domanda

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

    Risposta

    AsO43−\mathrm{AsO}_{4}^{3-}

  16. Carta 16

    Domanda

    NO3−\mathrm{NO}_{3}^{-}

    What is the name of this polyatomic ion?

    Risposta

    Nitrate

  17. Carta 17

    Domanda

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

    Risposta

    BrO3−\mathrm{BrO}_{3}^{-}

  18. Carta 18

    Domanda

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

    What is the name of this polyatomic ion?

    Risposta

    Dichromate

  19. Carta 19

    Domanda

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

    Risposta

    HCO3−\mathrm{HCO}_{3}^{-}

  20. Carta 20

    Domanda

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

    What is the name of this polyatomic ion?

    Risposta

    Acetate

  21. Carta 21

    Domanda

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

    Risposta

    IO3−\mathrm{IO}_{3}^{-}

  22. Carta 22

    Domanda

    CN−\mathrm{CN}^{-}

    What is the name of this polyatomic ion?

    Risposta

    Cyanide

  23. Carta 23

    Domanda

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

    Risposta

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

  24. Carta 24

    Domanda

    O22−\mathrm{O}_{2}^{2-}

    What is the name of this polyatomic ion?

    Risposta

    Peroxide

  25. Carta 25

    Domanda

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

    Risposta

    CrO42−\mathrm{CrO}_{4}^{2-}

  26. Carta 26

    Domanda

    NO2−\mathrm{NO}_{2}^{-}

    What is the name of this polyatomic ion?

    Risposta

    Nitrite

  27. Carta 27

    Domanda

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

    Risposta

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

  28. Carta 28

    Domanda

    CO32−\mathrm{CO}_{3}^{2-}

    What is the name of this polyatomic ion?

    Risposta

    Carbonate

  29. Carta 29

    Domanda

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

    Risposta

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

  30. Carta 30

    Domanda

    MnO4−\mathrm{MnO}_{4}^{-}

    What is the name of this polyatomic ion?

    Risposta

    Permanganate

  31. Carta 31

    Domanda

    ClO2−\mathrm{ClO}_{2}^{-}

    What is the name of this polyatomic ion?

    Risposta

    Chlorite

  32. Carta 32

    Domanda

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

    Risposta

    SO42−\mathrm{SO}_{4}^{2-}

  33. Carta 33

    Domanda

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

    What is the name of this polyatomic ion?

    Risposta

    Dihydrogen phosphate

  34. Carta 34

    Domanda

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

    Risposta

    SCN−\mathrm{SCN}^{-}

  35. Carta 35

    Domanda

    IO3−\mathrm{IO}_{3}^{-}

    What is the name of this polyatomic ion?

    Risposta

    Iodate

  36. Carta 36

    Domanda

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

    Risposta

    HSO4−\mathrm{HSO}_{4}^{-}

  37. Carta 37

    Domanda

    PO43−\mathrm{PO}_{4}^{3-}

    What is the name of this polyatomic ion?

    Risposta

    Phosphate

  38. Carta 38

    Domanda

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

    Risposta

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

  39. Carta 39

    Domanda

    BrO3−\mathrm{BrO}_{3}^{-}

    What is the name of this polyatomic ion?

    Risposta

    Bromate

  40. Carta 40

    Domanda

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

    Risposta

    O22−\mathrm{O}_{2}^{2-}

  41. Carta 41

    Domanda

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

    Risposta

    SO32−\mathrm{SO}_{3}^{2-}

  42. Carta 42

    Domanda

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

    Risposta

    NO2−\mathrm{NO}_{2}^{-}

  43. Carta 43

    Domanda

    ClO−\mathrm{ClO}^{-}

    What is the name of this polyatomic ion?

    Risposta

    Hypochlorite

  44. Carta 44

    Domanda

    HCO3−\mathrm{HCO}_{3}^{-}

    What is the name of this polyatomic ion?

    Risposta

    Hydrogen carbonate (bicarbonate)

  45. Carta 45

    Domanda

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

    Risposta

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

  46. Carta 46

    Domanda

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

    Risposta

    CN−\mathrm{CN}^{-}

  47. Carta 47

    Domanda

    ClO4−\mathrm{ClO}_{4}^{-}

    What is the name of this polyatomic ion?

    Risposta

    Perchlorate

  48. Carta 48

    Domanda

    HPO42−\mathrm{HPO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Risposta

    Hydrogen phosphate

  49. Carta 49

    Domanda

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

    What is the name of this polyatomic ion?

    Risposta

    Ammonium

  50. Carta 50

    Domanda

    CrO42−\mathrm{CrO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Risposta

    Chromate

  51. Carta 51

    Domanda

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

    Risposta

    MnO4−\mathrm{MnO}_{4}^{-}

  52. Carta 52

    Domanda

    ClO3−\mathrm{ClO}_{3}^{-}

    What is the name of this polyatomic ion?

    Risposta

    Chlorate

  53. Carta 53

    Domanda

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

    What is the name of this polyatomic ion?

    Risposta

    Hydronium

  54. Carta 54

    Domanda

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

    Risposta

    CO32−\mathrm{CO}_{3}^{2-}

  55. Carta 55

    Domanda

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

    Risposta

    NO3−\mathrm{NO}_{3}^{-}

  56. Carta 56

    Domanda

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

    Risposta

    OH−\mathrm{OH}^{-}

  57. Carta 57

    Domanda

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

    Risposta

    OCN−\mathrm{OCN}^{-}

  58. Carta 58

    Domanda

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

    What is the name of this polyatomic ion?

    Risposta

    Oxalate

  59. Carta 59

    Domanda

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

    Risposta

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

  60. Carta 60

    Domanda

    AsO43−\mathrm{AsO}_{4}^{3-}

    What is the name of this polyatomic ion?

    Risposta

    Arsenate

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

60 carte

Polyatomic Ion Flashcards: 30 Names, Formulas & Charges

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