Polyatomic Ion Flashcards: 30 Names, Formulas & Charges

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

O tej talii

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.

Karty w tej talii

  1. Karta 1

    Pytanie

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

    Odpowiedź

    ClO2\mathrm{ClO}_{2}^{-}
  2. Karta 2

    Pytanie

    HSO4\mathrm{HSO}_{4}^{-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Hydrogen sulfate (bisulfate)

  3. Karta 3

    Pytanie

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

    Odpowiedź

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

    Pytanie

    SCN\mathrm{SCN}^{-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Thiocyanate

  5. Karta 5

    Pytanie

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

    Odpowiedź

    ClO\mathrm{ClO}^{-}
  6. Karta 6

    Pytanie

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

    What is the name of this polyatomic ion?

    Odpowiedź

    Thiosulfate

  7. Karta 7

    Pytanie

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

    Odpowiedź

    PO43\mathrm{PO}_{4}^{3-}
  8. Karta 8

    Pytanie

    OCN\mathrm{OCN}^{-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Cyanate

  9. Karta 9

    Pytanie

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

    Odpowiedź

    ClO4\mathrm{ClO}_{4}^{-}
  10. Karta 10

    Pytanie

    SO32\mathrm{SO}_{3}^{2-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Sulfite

  11. Karta 11

    Pytanie

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

    Odpowiedź

    HPO42\mathrm{HPO}_{4}^{2-}
  12. Karta 12

    Pytanie

    OH\mathrm{OH}^{-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Hydroxide

  13. Karta 13

    Pytanie

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

    Odpowiedź

    ClO3\mathrm{ClO}_{3}^{-}
  14. Karta 14

    Pytanie

    SO42\mathrm{SO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Sulfate

  15. Karta 15

    Pytanie

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

    Odpowiedź

    AsO43\mathrm{AsO}_{4}^{3-}
  16. Karta 16

    Pytanie

    NO3\mathrm{NO}_{3}^{-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Nitrate

  17. Karta 17

    Pytanie

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

    Odpowiedź

    BrO3\mathrm{BrO}_{3}^{-}
  18. Karta 18

    Pytanie

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

    What is the name of this polyatomic ion?

    Odpowiedź

    Dichromate

  19. Karta 19

    Pytanie

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

    Odpowiedź

    HCO3\mathrm{HCO}_{3}^{-}
  20. Karta 20

    Pytanie

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

    What is the name of this polyatomic ion?

    Odpowiedź

    Acetate

  21. Karta 21

    Pytanie

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

    Odpowiedź

    IO3\mathrm{IO}_{3}^{-}
  22. Karta 22

    Pytanie

    CN\mathrm{CN}^{-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Cyanide

  23. Karta 23

    Pytanie

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

    Odpowiedź

    H3O+\mathrm{H}_{3}\mathrm{O}^{+}
  24. Karta 24

    Pytanie

    O22\mathrm{O}_{2}^{2-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Peroxide

  25. Karta 25

    Pytanie

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

    Odpowiedź

    CrO42\mathrm{CrO}_{4}^{2-}
  26. Karta 26

    Pytanie

    NO2\mathrm{NO}_{2}^{-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Nitrite

  27. Karta 27

    Pytanie

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

    Odpowiedź

    NH4+\mathrm{NH}_{4}^{+}
  28. Karta 28

    Pytanie

    CO32\mathrm{CO}_{3}^{2-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Carbonate

  29. Karta 29

    Pytanie

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

    Odpowiedź

    C2O42\mathrm{C}_{2}\mathrm{O}_{4}^{2-}
  30. Karta 30

    Pytanie

    MnO4\mathrm{MnO}_{4}^{-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Permanganate

  31. Karta 31

    Pytanie

    ClO2\mathrm{ClO}_{2}^{-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Chlorite

  32. Karta 32

    Pytanie

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

    Odpowiedź

    SO42\mathrm{SO}_{4}^{2-}
  33. Karta 33

    Pytanie

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

    What is the name of this polyatomic ion?

    Odpowiedź

    Dihydrogen phosphate

  34. Karta 34

    Pytanie

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

    Odpowiedź

    SCN\mathrm{SCN}^{-}
  35. Karta 35

    Pytanie

    IO3\mathrm{IO}_{3}^{-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Iodate

  36. Karta 36

    Pytanie

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

    Odpowiedź

    HSO4\mathrm{HSO}_{4}^{-}
  37. Karta 37

    Pytanie

    PO43\mathrm{PO}_{4}^{3-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Phosphate

  38. Karta 38

    Pytanie

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

    Odpowiedź

    Cr2O72\mathrm{Cr}_{2}\mathrm{O}_{7}^{2-}
  39. Karta 39

    Pytanie

    BrO3\mathrm{BrO}_{3}^{-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Bromate

  40. Karta 40

    Pytanie

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

    Odpowiedź

    O22\mathrm{O}_{2}^{2-}
  41. Karta 41

    Pytanie

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

    Odpowiedź

    SO32\mathrm{SO}_{3}^{2-}
  42. Karta 42

    Pytanie

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

    Odpowiedź

    NO2\mathrm{NO}_{2}^{-}
  43. Karta 43

    Pytanie

    ClO\mathrm{ClO}^{-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Hypochlorite

  44. Karta 44

    Pytanie

    HCO3\mathrm{HCO}_{3}^{-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Hydrogen carbonate (bicarbonate)

  45. Karta 45

    Pytanie

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

    Odpowiedź

    C2H3O2\mathrm{C}_{2}\mathrm{H}_{3}\mathrm{O}_{2}^{-}
  46. Karta 46

    Pytanie

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

    Odpowiedź

    CN\mathrm{CN}^{-}
  47. Karta 47

    Pytanie

    ClO4\mathrm{ClO}_{4}^{-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Perchlorate

  48. Karta 48

    Pytanie

    HPO42\mathrm{HPO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Hydrogen phosphate

  49. Karta 49

    Pytanie

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

    What is the name of this polyatomic ion?

    Odpowiedź

    Ammonium

  50. Karta 50

    Pytanie

    CrO42\mathrm{CrO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Chromate

  51. Karta 51

    Pytanie

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

    Odpowiedź

    MnO4\mathrm{MnO}_{4}^{-}
  52. Karta 52

    Pytanie

    ClO3\mathrm{ClO}_{3}^{-}

    What is the name of this polyatomic ion?

    Odpowiedź

    Chlorate

  53. Karta 53

    Pytanie

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

    What is the name of this polyatomic ion?

    Odpowiedź

    Hydronium

  54. Karta 54

    Pytanie

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

    Odpowiedź

    CO32\mathrm{CO}_{3}^{2-}
  55. Karta 55

    Pytanie

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

    Odpowiedź

    NO3\mathrm{NO}_{3}^{-}
  56. Karta 56

    Pytanie

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

    Odpowiedź

    OH\mathrm{OH}^{-}
  57. Karta 57

    Pytanie

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

    Odpowiedź

    OCN\mathrm{OCN}^{-}
  58. Karta 58

    Pytanie

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

    What is the name of this polyatomic ion?

    Odpowiedź

    Oxalate

  59. Karta 59

    Pytanie

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

    Odpowiedź

    S2O32\mathrm{S}_{2}\mathrm{O}_{3}^{2-}
  60. Karta 60

    Pytanie

    AsO43\mathrm{AsO}_{4}^{3-}

    What is the name of this polyatomic ion?

    Odpowiedź

    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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