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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.

اس ڈیک کے کارڈز

  1. کارڈ 1

    سوال

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

    جواب

    ClO2−\mathrm{ClO}_{2}^{-}

  2. کارڈ 2

    سوال

    HSO4−\mathrm{HSO}_{4}^{-}

    What is the name of this polyatomic ion?

    جواب

    Hydrogen sulfate (bisulfate)

  3. کارڈ 3

    سوال

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

    جواب

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

  4. کارڈ 4

    سوال

    SCN−\mathrm{SCN}^{-}

    What is the name of this polyatomic ion?

    جواب

    Thiocyanate

  5. کارڈ 5

    سوال

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

    جواب

    ClO−\mathrm{ClO}^{-}

  6. کارڈ 6

    سوال

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

    What is the name of this polyatomic ion?

    جواب

    Thiosulfate

  7. کارڈ 7

    سوال

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

    جواب

    PO43−\mathrm{PO}_{4}^{3-}

  8. کارڈ 8

    سوال

    OCN−\mathrm{OCN}^{-}

    What is the name of this polyatomic ion?

    جواب

    Cyanate

  9. کارڈ 9

    سوال

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

    جواب

    ClO4−\mathrm{ClO}_{4}^{-}

  10. کارڈ 10

    سوال

    SO32−\mathrm{SO}_{3}^{2-}

    What is the name of this polyatomic ion?

    جواب

    Sulfite

  11. کارڈ 11

    سوال

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

    جواب

    HPO42−\mathrm{HPO}_{4}^{2-}

  12. کارڈ 12

    سوال

    OH−\mathrm{OH}^{-}

    What is the name of this polyatomic ion?

    جواب

    Hydroxide

  13. کارڈ 13

    سوال

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

    جواب

    ClO3−\mathrm{ClO}_{3}^{-}

  14. کارڈ 14

    سوال

    SO42−\mathrm{SO}_{4}^{2-}

    What is the name of this polyatomic ion?

    جواب

    Sulfate

  15. کارڈ 15

    سوال

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

    جواب

    AsO43−\mathrm{AsO}_{4}^{3-}

  16. کارڈ 16

    سوال

    NO3−\mathrm{NO}_{3}^{-}

    What is the name of this polyatomic ion?

    جواب

    Nitrate

  17. کارڈ 17

    سوال

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

    جواب

    BrO3−\mathrm{BrO}_{3}^{-}

  18. کارڈ 18

    سوال

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

    What is the name of this polyatomic ion?

    جواب

    Dichromate

  19. کارڈ 19

    سوال

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

    جواب

    HCO3−\mathrm{HCO}_{3}^{-}

  20. کارڈ 20

    سوال

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

    What is the name of this polyatomic ion?

    جواب

    Acetate

  21. کارڈ 21

    سوال

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

    جواب

    IO3−\mathrm{IO}_{3}^{-}

  22. کارڈ 22

    سوال

    CN−\mathrm{CN}^{-}

    What is the name of this polyatomic ion?

    جواب

    Cyanide

  23. کارڈ 23

    سوال

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

    جواب

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

  24. کارڈ 24

    سوال

    O22−\mathrm{O}_{2}^{2-}

    What is the name of this polyatomic ion?

    جواب

    Peroxide

  25. کارڈ 25

    سوال

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

    جواب

    CrO42−\mathrm{CrO}_{4}^{2-}

  26. کارڈ 26

    سوال

    NO2−\mathrm{NO}_{2}^{-}

    What is the name of this polyatomic ion?

    جواب

    Nitrite

  27. کارڈ 27

    سوال

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

    جواب

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

  28. کارڈ 28

    سوال

    CO32−\mathrm{CO}_{3}^{2-}

    What is the name of this polyatomic ion?

    جواب

    Carbonate

  29. کارڈ 29

    سوال

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

    جواب

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

  30. کارڈ 30

    سوال

    MnO4−\mathrm{MnO}_{4}^{-}

    What is the name of this polyatomic ion?

    جواب

    Permanganate

  31. کارڈ 31

    سوال

    ClO2−\mathrm{ClO}_{2}^{-}

    What is the name of this polyatomic ion?

    جواب

    Chlorite

  32. کارڈ 32

    سوال

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

    جواب

    SO42−\mathrm{SO}_{4}^{2-}

  33. کارڈ 33

    سوال

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

    What is the name of this polyatomic ion?

    جواب

    Dihydrogen phosphate

  34. کارڈ 34

    سوال

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

    جواب

    SCN−\mathrm{SCN}^{-}

  35. کارڈ 35

    سوال

    IO3−\mathrm{IO}_{3}^{-}

    What is the name of this polyatomic ion?

    جواب

    Iodate

  36. کارڈ 36

    سوال

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

    جواب

    HSO4−\mathrm{HSO}_{4}^{-}

  37. کارڈ 37

    سوال

    PO43−\mathrm{PO}_{4}^{3-}

    What is the name of this polyatomic ion?

    جواب

    Phosphate

  38. کارڈ 38

    سوال

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

    جواب

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

  39. کارڈ 39

    سوال

    BrO3−\mathrm{BrO}_{3}^{-}

    What is the name of this polyatomic ion?

    جواب

    Bromate

  40. کارڈ 40

    سوال

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

    جواب

    O22−\mathrm{O}_{2}^{2-}

  41. کارڈ 41

    سوال

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

    جواب

    SO32−\mathrm{SO}_{3}^{2-}

  42. کارڈ 42

    سوال

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

    جواب

    NO2−\mathrm{NO}_{2}^{-}

  43. کارڈ 43

    سوال

    ClO−\mathrm{ClO}^{-}

    What is the name of this polyatomic ion?

    جواب

    Hypochlorite

  44. کارڈ 44

    سوال

    HCO3−\mathrm{HCO}_{3}^{-}

    What is the name of this polyatomic ion?

    جواب

    Hydrogen carbonate (bicarbonate)

  45. کارڈ 45

    سوال

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

    جواب

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

  46. کارڈ 46

    سوال

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

    جواب

    CN−\mathrm{CN}^{-}

  47. کارڈ 47

    سوال

    ClO4−\mathrm{ClO}_{4}^{-}

    What is the name of this polyatomic ion?

    جواب

    Perchlorate

  48. کارڈ 48

    سوال

    HPO42−\mathrm{HPO}_{4}^{2-}

    What is the name of this polyatomic ion?

    جواب

    Hydrogen phosphate

  49. کارڈ 49

    سوال

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

    What is the name of this polyatomic ion?

    جواب

    Ammonium

  50. کارڈ 50

    سوال

    CrO42−\mathrm{CrO}_{4}^{2-}

    What is the name of this polyatomic ion?

    جواب

    Chromate

  51. کارڈ 51

    سوال

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

    جواب

    MnO4−\mathrm{MnO}_{4}^{-}

  52. کارڈ 52

    سوال

    ClO3−\mathrm{ClO}_{3}^{-}

    What is the name of this polyatomic ion?

    جواب

    Chlorate

  53. کارڈ 53

    سوال

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

    What is the name of this polyatomic ion?

    جواب

    Hydronium

  54. کارڈ 54

    سوال

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

    جواب

    CO32−\mathrm{CO}_{3}^{2-}

  55. کارڈ 55

    سوال

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

    جواب

    NO3−\mathrm{NO}_{3}^{-}

  56. کارڈ 56

    سوال

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

    جواب

    OH−\mathrm{OH}^{-}

  57. کارڈ 57

    سوال

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

    جواب

    OCN−\mathrm{OCN}^{-}

  58. کارڈ 58

    سوال

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

    What is the name of this polyatomic ion?

    جواب

    Oxalate

  59. کارڈ 59

    سوال

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

    جواب

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

  60. کارڈ 60

    سوال

    AsO43−\mathrm{AsO}_{4}^{3-}

    What is the name of this polyatomic ion?

    جواب

    Arsenate

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

60 کارڈز

Polyatomic Ion Flashcards: 30 Names, Formulas & Charges

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