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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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Tentang dek ini

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.

Kad dalam dek ini

  1. Kad 1

    Soalan

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

    Jawapan

    ClO2−\mathrm{ClO}_{2}^{-}

  2. Kad 2

    Soalan

    HSO4−\mathrm{HSO}_{4}^{-}

    What is the name of this polyatomic ion?

    Jawapan

    Hydrogen sulfate (bisulfate)

  3. Kad 3

    Soalan

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

    Jawapan

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

  4. Kad 4

    Soalan

    SCN−\mathrm{SCN}^{-}

    What is the name of this polyatomic ion?

    Jawapan

    Thiocyanate

  5. Kad 5

    Soalan

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

    Jawapan

    ClO−\mathrm{ClO}^{-}

  6. Kad 6

    Soalan

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

    What is the name of this polyatomic ion?

    Jawapan

    Thiosulfate

  7. Kad 7

    Soalan

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

    Jawapan

    PO43−\mathrm{PO}_{4}^{3-}

  8. Kad 8

    Soalan

    OCN−\mathrm{OCN}^{-}

    What is the name of this polyatomic ion?

    Jawapan

    Cyanate

  9. Kad 9

    Soalan

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

    Jawapan

    ClO4−\mathrm{ClO}_{4}^{-}

  10. Kad 10

    Soalan

    SO32−\mathrm{SO}_{3}^{2-}

    What is the name of this polyatomic ion?

    Jawapan

    Sulfite

  11. Kad 11

    Soalan

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

    Jawapan

    HPO42−\mathrm{HPO}_{4}^{2-}

  12. Kad 12

    Soalan

    OH−\mathrm{OH}^{-}

    What is the name of this polyatomic ion?

    Jawapan

    Hydroxide

  13. Kad 13

    Soalan

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

    Jawapan

    ClO3−\mathrm{ClO}_{3}^{-}

  14. Kad 14

    Soalan

    SO42−\mathrm{SO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Jawapan

    Sulfate

  15. Kad 15

    Soalan

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

    Jawapan

    AsO43−\mathrm{AsO}_{4}^{3-}

  16. Kad 16

    Soalan

    NO3−\mathrm{NO}_{3}^{-}

    What is the name of this polyatomic ion?

    Jawapan

    Nitrate

  17. Kad 17

    Soalan

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

    Jawapan

    BrO3−\mathrm{BrO}_{3}^{-}

  18. Kad 18

    Soalan

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

    What is the name of this polyatomic ion?

    Jawapan

    Dichromate

  19. Kad 19

    Soalan

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

    Jawapan

    HCO3−\mathrm{HCO}_{3}^{-}

  20. Kad 20

    Soalan

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

    What is the name of this polyatomic ion?

    Jawapan

    Acetate

  21. Kad 21

    Soalan

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

    Jawapan

    IO3−\mathrm{IO}_{3}^{-}

  22. Kad 22

    Soalan

    CN−\mathrm{CN}^{-}

    What is the name of this polyatomic ion?

    Jawapan

    Cyanide

  23. Kad 23

    Soalan

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

    Jawapan

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

  24. Kad 24

    Soalan

    O22−\mathrm{O}_{2}^{2-}

    What is the name of this polyatomic ion?

    Jawapan

    Peroxide

  25. Kad 25

    Soalan

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

    Jawapan

    CrO42−\mathrm{CrO}_{4}^{2-}

  26. Kad 26

    Soalan

    NO2−\mathrm{NO}_{2}^{-}

    What is the name of this polyatomic ion?

    Jawapan

    Nitrite

  27. Kad 27

    Soalan

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

    Jawapan

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

  28. Kad 28

    Soalan

    CO32−\mathrm{CO}_{3}^{2-}

    What is the name of this polyatomic ion?

    Jawapan

    Carbonate

  29. Kad 29

    Soalan

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

    Jawapan

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

  30. Kad 30

    Soalan

    MnO4−\mathrm{MnO}_{4}^{-}

    What is the name of this polyatomic ion?

    Jawapan

    Permanganate

  31. Kad 31

    Soalan

    ClO2−\mathrm{ClO}_{2}^{-}

    What is the name of this polyatomic ion?

    Jawapan

    Chlorite

  32. Kad 32

    Soalan

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

    Jawapan

    SO42−\mathrm{SO}_{4}^{2-}

  33. Kad 33

    Soalan

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

    What is the name of this polyatomic ion?

    Jawapan

    Dihydrogen phosphate

  34. Kad 34

    Soalan

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

    Jawapan

    SCN−\mathrm{SCN}^{-}

  35. Kad 35

    Soalan

    IO3−\mathrm{IO}_{3}^{-}

    What is the name of this polyatomic ion?

    Jawapan

    Iodate

  36. Kad 36

    Soalan

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

    Jawapan

    HSO4−\mathrm{HSO}_{4}^{-}

  37. Kad 37

    Soalan

    PO43−\mathrm{PO}_{4}^{3-}

    What is the name of this polyatomic ion?

    Jawapan

    Phosphate

  38. Kad 38

    Soalan

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

    Jawapan

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

  39. Kad 39

    Soalan

    BrO3−\mathrm{BrO}_{3}^{-}

    What is the name of this polyatomic ion?

    Jawapan

    Bromate

  40. Kad 40

    Soalan

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

    Jawapan

    O22−\mathrm{O}_{2}^{2-}

  41. Kad 41

    Soalan

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

    Jawapan

    SO32−\mathrm{SO}_{3}^{2-}

  42. Kad 42

    Soalan

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

    Jawapan

    NO2−\mathrm{NO}_{2}^{-}

  43. Kad 43

    Soalan

    ClO−\mathrm{ClO}^{-}

    What is the name of this polyatomic ion?

    Jawapan

    Hypochlorite

  44. Kad 44

    Soalan

    HCO3−\mathrm{HCO}_{3}^{-}

    What is the name of this polyatomic ion?

    Jawapan

    Hydrogen carbonate (bicarbonate)

  45. Kad 45

    Soalan

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

    Jawapan

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

  46. Kad 46

    Soalan

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

    Jawapan

    CN−\mathrm{CN}^{-}

  47. Kad 47

    Soalan

    ClO4−\mathrm{ClO}_{4}^{-}

    What is the name of this polyatomic ion?

    Jawapan

    Perchlorate

  48. Kad 48

    Soalan

    HPO42−\mathrm{HPO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Jawapan

    Hydrogen phosphate

  49. Kad 49

    Soalan

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

    What is the name of this polyatomic ion?

    Jawapan

    Ammonium

  50. Kad 50

    Soalan

    CrO42−\mathrm{CrO}_{4}^{2-}

    What is the name of this polyatomic ion?

    Jawapan

    Chromate

  51. Kad 51

    Soalan

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

    Jawapan

    MnO4−\mathrm{MnO}_{4}^{-}

  52. Kad 52

    Soalan

    ClO3−\mathrm{ClO}_{3}^{-}

    What is the name of this polyatomic ion?

    Jawapan

    Chlorate

  53. Kad 53

    Soalan

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

    What is the name of this polyatomic ion?

    Jawapan

    Hydronium

  54. Kad 54

    Soalan

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

    Jawapan

    CO32−\mathrm{CO}_{3}^{2-}

  55. Kad 55

    Soalan

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

    Jawapan

    NO3−\mathrm{NO}_{3}^{-}

  56. Kad 56

    Soalan

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

    Jawapan

    OH−\mathrm{OH}^{-}

  57. Kad 57

    Soalan

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

    Jawapan

    OCN−\mathrm{OCN}^{-}

  58. Kad 58

    Soalan

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

    What is the name of this polyatomic ion?

    Jawapan

    Oxalate

  59. Kad 59

    Soalan

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

    Jawapan

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

  60. Kad 60

    Soalan

    AsO43−\mathrm{AsO}_{4}^{3-}

    What is the name of this polyatomic ion?

    Jawapan

    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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