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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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O tomto balíčku

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.

Kartičky v tomto balíčku

  1. Kartička 1

    Otázka

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

    Odpověď

    ClO2−\mathrm{ClO}_{2}^{-}

  2. Kartička 2

    Otázka

    HSO4−\mathrm{HSO}_{4}^{-}

    What is the name of this polyatomic ion?

    Odpověď

    Hydrogen sulfate (bisulfate)

  3. Kartička 3

    Otázka

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

    Odpověď

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

  4. Kartička 4

    Otázka

    SCN−\mathrm{SCN}^{-}

    What is the name of this polyatomic ion?

    Odpověď

    Thiocyanate

  5. Kartička 5

    Otázka

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

    Odpověď

    ClO−\mathrm{ClO}^{-}

  6. Kartička 6

    Otázka

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

    What is the name of this polyatomic ion?

    Odpověď

    Thiosulfate

  7. Kartička 7

    Otázka

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

    Odpověď

    PO43−\mathrm{PO}_{4}^{3-}

  8. Kartička 8

    Otázka

    OCN−\mathrm{OCN}^{-}

    What is the name of this polyatomic ion?

    Odpověď

    Cyanate

  9. Kartička 9

    Otázka

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

    Odpověď

    ClO4−\mathrm{ClO}_{4}^{-}

  10. Kartička 10

    Otázka

    SO32−\mathrm{SO}_{3}^{2-}

    What is the name of this polyatomic ion?

    Odpověď

    Sulfite

  11. Kartička 11

    Otázka

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

    Odpověď

    HPO42−\mathrm{HPO}_{4}^{2-}

  12. Kartička 12

    Otázka

    OH−\mathrm{OH}^{-}

    What is the name of this polyatomic ion?

    Odpověď

    Hydroxide

  13. Kartička 13

    Otázka

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

    Odpověď

    ClO3−\mathrm{ClO}_{3}^{-}

  14. Kartička 14

    Otázka

    SO42−\mathrm{SO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Odpověď

    Sulfate

  15. Kartička 15

    Otázka

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

    Odpověď

    AsO43−\mathrm{AsO}_{4}^{3-}

  16. Kartička 16

    Otázka

    NO3−\mathrm{NO}_{3}^{-}

    What is the name of this polyatomic ion?

    Odpověď

    Nitrate

  17. Kartička 17

    Otázka

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

    Odpověď

    BrO3−\mathrm{BrO}_{3}^{-}

  18. Kartička 18

    Otázka

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

    What is the name of this polyatomic ion?

    Odpověď

    Dichromate

  19. Kartička 19

    Otázka

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

    Odpověď

    HCO3−\mathrm{HCO}_{3}^{-}

  20. Kartička 20

    Otázka

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

    What is the name of this polyatomic ion?

    Odpověď

    Acetate

  21. Kartička 21

    Otázka

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

    Odpověď

    IO3−\mathrm{IO}_{3}^{-}

  22. Kartička 22

    Otázka

    CN−\mathrm{CN}^{-}

    What is the name of this polyatomic ion?

    Odpověď

    Cyanide

  23. Kartička 23

    Otázka

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

    Odpověď

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

  24. Kartička 24

    Otázka

    O22−\mathrm{O}_{2}^{2-}

    What is the name of this polyatomic ion?

    Odpověď

    Peroxide

  25. Kartička 25

    Otázka

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

    Odpověď

    CrO42−\mathrm{CrO}_{4}^{2-}

  26. Kartička 26

    Otázka

    NO2−\mathrm{NO}_{2}^{-}

    What is the name of this polyatomic ion?

    Odpověď

    Nitrite

  27. Kartička 27

    Otázka

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

    Odpověď

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

  28. Kartička 28

    Otázka

    CO32−\mathrm{CO}_{3}^{2-}

    What is the name of this polyatomic ion?

    Odpověď

    Carbonate

  29. Kartička 29

    Otázka

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

    Odpověď

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

  30. Kartička 30

    Otázka

    MnO4−\mathrm{MnO}_{4}^{-}

    What is the name of this polyatomic ion?

    Odpověď

    Permanganate

  31. Kartička 31

    Otázka

    ClO2−\mathrm{ClO}_{2}^{-}

    What is the name of this polyatomic ion?

    Odpověď

    Chlorite

  32. Kartička 32

    Otázka

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

    Odpověď

    SO42−\mathrm{SO}_{4}^{2-}

  33. Kartička 33

    Otázka

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

    What is the name of this polyatomic ion?

    Odpověď

    Dihydrogen phosphate

  34. Kartička 34

    Otázka

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

    Odpověď

    SCN−\mathrm{SCN}^{-}

  35. Kartička 35

    Otázka

    IO3−\mathrm{IO}_{3}^{-}

    What is the name of this polyatomic ion?

    Odpověď

    Iodate

  36. Kartička 36

    Otázka

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

    Odpověď

    HSO4−\mathrm{HSO}_{4}^{-}

  37. Kartička 37

    Otázka

    PO43−\mathrm{PO}_{4}^{3-}

    What is the name of this polyatomic ion?

    Odpověď

    Phosphate

  38. Kartička 38

    Otázka

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

    Odpověď

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

  39. Kartička 39

    Otázka

    BrO3−\mathrm{BrO}_{3}^{-}

    What is the name of this polyatomic ion?

    Odpověď

    Bromate

  40. Kartička 40

    Otázka

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

    Odpověď

    O22−\mathrm{O}_{2}^{2-}

  41. Kartička 41

    Otázka

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

    Odpověď

    SO32−\mathrm{SO}_{3}^{2-}

  42. Kartička 42

    Otázka

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

    Odpověď

    NO2−\mathrm{NO}_{2}^{-}

  43. Kartička 43

    Otázka

    ClO−\mathrm{ClO}^{-}

    What is the name of this polyatomic ion?

    Odpověď

    Hypochlorite

  44. Kartička 44

    Otázka

    HCO3−\mathrm{HCO}_{3}^{-}

    What is the name of this polyatomic ion?

    Odpověď

    Hydrogen carbonate (bicarbonate)

  45. Kartička 45

    Otázka

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

    Odpověď

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

  46. Kartička 46

    Otázka

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

    Odpověď

    CN−\mathrm{CN}^{-}

  47. Kartička 47

    Otázka

    ClO4−\mathrm{ClO}_{4}^{-}

    What is the name of this polyatomic ion?

    Odpověď

    Perchlorate

  48. Kartička 48

    Otázka

    HPO42−\mathrm{HPO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Odpověď

    Hydrogen phosphate

  49. Kartička 49

    Otázka

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

    What is the name of this polyatomic ion?

    Odpověď

    Ammonium

  50. Kartička 50

    Otázka

    CrO42−\mathrm{CrO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Odpověď

    Chromate

  51. Kartička 51

    Otázka

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

    Odpověď

    MnO4−\mathrm{MnO}_{4}^{-}

  52. Kartička 52

    Otázka

    ClO3−\mathrm{ClO}_{3}^{-}

    What is the name of this polyatomic ion?

    Odpověď

    Chlorate

  53. Kartička 53

    Otázka

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

    What is the name of this polyatomic ion?

    Odpověď

    Hydronium

  54. Kartička 54

    Otázka

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

    Odpověď

    CO32−\mathrm{CO}_{3}^{2-}

  55. Kartička 55

    Otázka

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

    Odpověď

    NO3−\mathrm{NO}_{3}^{-}

  56. Kartička 56

    Otázka

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

    Odpověď

    OH−\mathrm{OH}^{-}

  57. Kartička 57

    Otázka

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

    Odpověď

    OCN−\mathrm{OCN}^{-}

  58. Kartička 58

    Otázka

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

    What is the name of this polyatomic ion?

    Odpověď

    Oxalate

  59. Kartička 59

    Otázka

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

    Odpověď

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

  60. Kartička 60

    Otázka

    AsO43−\mathrm{AsO}_{4}^{3-}

    What is the name of this polyatomic ion?

    Odpověď

    Arsenate

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

60 kartiček

Polyatomic Ion Flashcards: 30 Names, Formulas & Charges

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