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SCI20 Ionic Formulas
Contributed by: Sadler
  • 1. Choose the correct formula for Aluminum Bicarbonate.
A) Al3HCO3_1
B) Al(Bc)_3
C) Al2HCO3_2
D) Al(HCO3)_3
  • 2. Choose the correct formula for Lithium Dichromate.
A) Li3Cr2O7_5
B) Li1Cr2O7_2
C) Li2Cr2O7
D) Li2Cr
  • 3. Choose the correct formula for Calcium Oxide.
A) CaO
B) Ca4O4
C) Ca1O1
D) CaOx
  • 4. Choose the correct formula for Beryllium Perchlorate.
A) Be(Pe)_2
B) Be(ClO4)_2
C) Be2ClO4_4
D) Be2ClO4_1
  • 5. Choose the correct formula for Sodium Hydride.
A) Na3H4
B) NaHe
C) Na1H1
D) NaH
  • 6. Choose the correct formula for Silicon Peroxide.
A) SiO2
B) Si5O2_5
C) SiO2_2
D) Si2O2_1
  • 7. Choose the correct formula for Sodium Carbonate.
A) Na2C
B) Na1CO3_2
C) Na3CO3_5
D) Na2CO3
  • 8. Choose the correct formula for Boron Hydroxide.
A) B4OH4
B) B(OH)_3
C) B3OH1
D) B(Ho)_3
  • 9. Choose the correct formula for Lithium Carbide.
A) Li4CO2
B) Li5C5
C) Li4C
D) Li1C4
  • 10. Choose the correct formula for Beryllium Peroxide.
A) BeO
B) BeO2
C) Be3O2_2
D) Be1O2_1
  • 11. Choose the correct formula for Carbon Dichromate.
A) C(Cr2O7)_2
B) C2Cr2O7_1
C) C2Cr2O7_5
D) C(Cr)_2
  • 12. Choose the correct formula for Sodium Cyanide .
A) Na3CN4
B) Na1CN1
C) NaCy
D) NaCN
  • 13. Choose the correct formula for Carbon Bicarbonate.
A) C4HCO3_1
B) C(Bc)_4
C) C3HCO3_2
D) C(HCO3)_4
  • 14. Choose the correct formula for Sodium Sulphate .
A) Na5SO4_2
B) Na2S
C) Na2SO4
D) Na1SO4_2
  • 15. Choose the correct formula for Aluminum Hydride.
A) Al3H1
B) AlHe3
C) Al3H5
D) AlH3
  • 16. Choose the correct formula for Beryllium Permanganate .
A) Be2MnO4_3
B) Be(Pm)_2
C) Be(MnO4)_2
D) Be2MnO4_1
  • 17. Choose the correct formula for Boron Oxide.
A) B2O3
B) B5O4
C) B3O2
D) B2Ox3
  • 18. Choose the correct formula for Sodium Sulphite.
A) Na3SO3_5
B) Na1SO3_2
C) Na2SO3
D) Na2S
  • 19. Choose the correct formula for Carbon Nitrate .
A) C(NO3)_4
B) C3NO3_5
C) C4NO3_1
D) C(N)_4
  • 20. Choose the correct formula for Aluminum Permanganate .
A) Al(Pm)_3
B) Al5MnO4_5
C) Al(MnO4)_3
D) Al3MnO4_1
  • 21. Choose the correct formula for Carbon Hydroxide.
A) C(Ho)_4
B) C4OH1
C) C(OH)_4
D) C3OH3
  • 22. Choose the correct formula for Carbon Phosphide.
A) C3P4
B) C2P3
C) C3Ph4
D) C4P3
  • 23. Choose the correct formula for Beryllium Dichromate.
A) BeCr
B) Be5Cr2O7_2
C) Be1Cr2O7_1
D) BeCr2O7
  • 24. Choose the correct formula for Magnesium Sulphate .
A) MgS
B) Mg3SO4_5
C) Mg1SO4_1
D) MgSO4
  • 25. Choose the correct formula for Boron Phosphate .
A) B3PO4_2
B) BP
C) BPO4
D) B1PO4_1
  • 26. Choose the correct formula for Lithium Hydroxide.
A) LiOH
B) LiHo
C) Li1OH1
D) Li5OH2
  • 27. Choose the correct formula for Beryllium Chromate .
A) BeCrO4
B) Be1CrO4_1
C) BeCr
D) Be2CrO4_2
  • 28. Choose the correct formula for Carbon Cyanide .
A) C(Cy)_4
B) C4CN1
C) C3CN5
D) C(CN)_4
  • 29. Choose the correct formula for Sodium Phosphate .
A) Na1PO4_3
B) Na3P
C) Na2PO4_3
D) Na3PO4
  • 30. Choose the correct formula for Beryllium Hydride.
A) BeHe2
B) Be3H5
C) Be2H1
D) BeH2
  • 31. Choose the correct formula for Sodium Acetate.
A) NaA
B) Na1CH3CO2_1
C) NaCH3CO2
D) Na3CH3CO2_3
  • 32. Choose the correct formula for Aluminum Sulphite.
A) Al3SO3_2
B) Al2(SO3)_3
C) Al2(S)_3
D) Al3SO3_4
  • 33. Choose the correct formula for Beryllium Silicide.
A) Be1Si2
B) Be3Si3
C) Be2Si
D) Be2SO3
  • 34. Choose the correct formula for Aluminum Chloride.
A) AlCl3
B) AlCO3_3
C) Al5Cl4
D) Al3Cl1
  • 35. Choose the correct formula for Silicon Sulphite.
A) Si2SO3_1
B) Si4SO3_5
C) Si(S)_2
D) Si(SO3)_2
  • 36. Choose the correct formula for Silicon Chromate .
A) Si2CrO4_5
B) Si(CrO4)_2
C) Si2CrO4_1
D) Si(Cr)_2
  • 37. Choose the correct formula for Magnesium Carbide.
A) Mg5C4
B) Mg1C2
C) Mg2CO2
D) Mg2C
  • 38. Choose the correct formula for Potassium Sulphate .
A) K3SO4_5
B) K2SO4
C) K1SO4_2
D) K2S
  • 39. Choose the correct formula for Potassium Chromate .
A) K2CrO4
B) K3CrO4_2
C) K1CrO4_2
D) K2Cr
  • 40. Choose the correct formula for Potassium Nitrate .
A) KN
B) K1NO3_1
C) KNO3
D) K2NO3_5
  • 41. Choose the correct formula for Sodium Peroxide.
A) Na1O2_2
B) Na3O2_4
C) Na2O
D) Na2O2
  • 42. Choose the correct formula for Calcium Nitrate .
A) Ca2NO3_1
B) Ca(NO3)_2
C) Ca4NO3_3
D) Ca(N)_2
  • 43. Choose the correct formula for Lithium Bicarbonate.
A) LiBc
B) Li3HCO3_2
C) LiHCO3
D) Li1HCO3_1
  • 44. Choose the correct formula for Potassium Carbide.
A) K3C3
B) K4C
C) K4CO2
D) K1C4
  • 45. Choose the correct formula for Potassium Chloride.
A) K4Cl2
B) KCl
C) K1Cl1
D) KCO3
  • 46. Choose the correct formula for Beryllium Sulphite.
A) BeSO3
B) Be3SO3_3
C) BeS
D) Be1SO3_1
  • 47. Choose the correct formula for Calcium Sulphite.
A) CaSO3
B) CaS
C) Ca1SO3_1
D) Ca3SO3_5
  • 48. Choose the correct formula for Silicon Dichromate.
A) Si(Cr)_2
B) Si(Cr2O7)_2
C) Si3Cr2O7_3
D) Si2Cr2O7_1
  • 49. Choose the correct formula for Lithium Silicide.
A) Li1Si4
B) Li2Si5
C) Li4SO3
D) Li4Si
  • 50. Choose the correct formula for Aluminum Dichromate.
A) Al3Cr2O7_4
B) Al2(Cr)_3
C) Al2(Cr2O7)_3
D) Al3Cr2O7_2
  • 51. Choose the correct formula for Beryllium Fluoride.
A) Be3F5
B) BeFl2
C) Be2F1
D) BeF2
  • 52. Choose the correct formula for Silicon Silicide.
A) Si2
B) Si1Si1
C) SO3_2
D) Si3Si5
  • 53. Choose the correct formula for Magnesium Bromide.
A) Mg2Br5
B) MgBr2
C) Mg2Br1
D) MgB2
  • 54. Choose the correct formula for Sodium Bromide.
A) Na2Br2
B) NaBr
C) Na1Br1
D) NaB
  • 55. Choose the correct formula for Potassium Oxide.
A) K3O3
B) K2O
C) K1O2
D) K2Ox
  • 56. Choose the correct formula for Magnesium Permanganate .
A) Mg2MnO4_3
B) Mg(MnO4)_2
C) Mg2MnO4_1
D) Mg(Pm)_2
  • 57. Choose the correct formula for Aluminum Sulphate .
A) Al4SO4_4
B) Al2(S)_3
C) Al2(SO4)_3
D) Al3SO4_2
  • 58. Choose the correct formula for Calcium Chromate .
A) CaCrO4
B) Ca5CrO4_4
C) CaCr
D) Ca1CrO4_1
  • 59. Choose the correct formula for Sodium Nitride.
A) Na3Ni
B) Na3N
C) Na1N3
D) Na5N5
  • 60. Choose the correct formula for Sodium Sulphide.
A) Na2S
B) Na3S5
C) Na2Su
D) Na1S2
  • 61. Choose the correct formula for Magnesium Dichromate.
A) Mg5Cr2O7_2
B) Mg1Cr2O7_1
C) MgCr
D) MgCr2O7
  • 62. Choose the correct formula for Magnesium Hydride.
A) Mg2H1
B) Mg5H5
C) MgH2
D) MgHe2
  • 63. Choose the correct formula for Calcium Dichromate.
A) CaCr2O7
B) Ca4Cr2O7_4
C) Ca1Cr2O7_1
D) CaCr
  • 64. Choose the correct formula for Boron Peroxide.
A) B2O3
B) B3O2_2
C) B2O2_3
D) B3O2_4
  • 65. Choose the correct formula for Calcium Sulphide.
A) Ca3S3
B) Ca1S1
C) CaSu
D) CaS
  • 66. Choose the correct formula for Beryllium Hydroxide.
A) Be2OH3
B) Be(OH)_2
C) Be(Ho)_2
D) Be2OH1
  • 67. Choose the correct formula for Beryllium Phosphate .
A) Be3(P)_2
B) Be2PO4_3
C) Be3(PO4)_2
D) Be5PO4_3
  • 68. Choose the correct formula for Carbon Chloride.
A) C4Cl1
B) CCO3_4
C) C5Cl2
D) CCl4
  • 69. Choose the correct formula for Magnesium Sulphide.
A) Mg2S4
B) MgS
C) MgSu
D) Mg1S1
  • 70. Choose the correct formula for Potassium Phosphate .
A) K2PO4_5
B) K1PO4_3
C) K3PO4
D) K3P
  • 71. Choose the correct formula for Lithium Carbonate.
A) Li2C
B) Li1CO3_2
C) Li4CO3_4
D) Li2CO3
  • 72. Choose the correct formula for Lithium Perchlorate.
A) LiPe
B) Li1ClO4_1
C) Li3ClO4_5
D) LiClO4
  • 73. Choose the correct formula for Calcium Perchlorate.
A) Ca(Pe)_2
B) Ca2ClO4_1
C) Ca(ClO4)_2
D) Ca3ClO4_3
  • 74. Choose the correct formula for Magnesium Carbonate.
A) MgCO3
B) Mg3CO3_2
C) Mg1CO3_1
D) MgC
  • 75. Choose the correct formula for Lithium Sulphide.
A) Li2S
B) Li3S2
C) Li1S2
D) Li2Su
  • 76. Choose the correct formula for Silicon Phosphide.
A) Si3Ph4
B) Si3P4
C) Si4P3
D) Si5P5
  • 77. Choose the correct formula for Magnesium Perchlorate.
A) Mg(Pe)_2
B) Mg2ClO4_1
C) Mg(ClO4)_2
D) Mg3ClO4_5
  • 78. Choose the correct formula for Carbon Sulphite.
A) C(S)_2
B) C2SO3_1
C) C4SO3_5
D) C(SO3)_2
  • 79. Choose the correct formula for Magnesium Silicide.
A) Mg3Si2
B) Mg2SO3
C) Mg2Si
D) Mg1Si2
  • 80. Choose the correct formula for Carbon Acetate.
A) C(CH3CO2)_4
B) C(A)_4
C) C4CH3CO2_1
D) C5CH3CO2_5
  • 81. Choose the correct formula for Aluminum Carbide.
A) Al4CO2_3
B) Al4C3
C) Al2C2
D) Al3C4
  • 82. Choose the correct formula for Calcium Acetate.
A) Ca5CH3CO2_4
B) Ca(A)_2
C) Ca2CH3CO2_1
D) Ca(CH3CO2)_2
  • 83. Choose the correct formula for Sodium Chromate .
A) Na1CrO4_2
B) Na3CrO4_4
C) Na2CrO4
D) Na2Cr
  • 84. Choose the correct formula for Aluminum Silicide.
A) Al4SO3_3
B) Al5Si4
C) Al4Si3
D) Al3Si4
  • 85. Choose the correct formula for Potassium Silicide.
A) K2Si3
B) K4SO3
C) K4Si
D) K1Si4
  • 86. Choose the correct formula for Potassium Carbonate.
A) K2CO3
B) K2C
C) K1CO3_2
D) K3CO3_5
  • 87. Choose the correct formula for Aluminum Nitride.
A) Al1N1
B) AlNi
C) AlN
D) Al5N5
  • 88. Choose the correct formula for Sodium Silicide.
A) Na4Si
B) Na4SO3
C) Na3Si3
D) Na1Si4
  • 89. Choose the correct formula for Calcium Phosphide.
A) Ca3Ph2
B) Ca2P3
C) Ca3P2
D) Ca4P3
  • 90. Choose the correct formula for Magnesium Cyanide .
A) Mg2CN3
B) Mg(CN)_2
C) Mg(Cy)_2
D) Mg2CN1
  • 91. Choose the correct formula for Beryllium Bromide.
A) BeB2
B) Be2Br1
C) BeBr2
D) Be2Br3
  • 92. Choose the correct formula for Calcium Hydride.
A) Ca2H4
B) Ca2H1
C) CaHe2
D) CaH2
  • 93. Choose the correct formula for Silicon Nitrate .
A) Si4NO3_1
B) Si(NO3)_4
C) Si(N)_4
D) Si2NO3_3
  • 94. Choose the correct formula for Silicon Perchlorate.
A) Si(ClO4)_4
B) Si4ClO4_3
C) Si(Pe)_4
D) Si4ClO4_1
  • 95. Choose the correct formula for Sodium Dichromate.
A) Na1Cr2O7_2
B) Na5Cr2O7_4
C) Na2Cr
D) Na2Cr2O7
  • 96. Choose the correct formula for Boron Hydride.
A) B2H5
B) B3H1
C) BH3
D) BHe3
  • 97. Choose the correct formula for Beryllium Sulphide.
A) Be1S1
B) BeSu
C) Be3S5
D) BeS
  • 98. Choose the correct formula for Carbon Carbide.
A) C2
B) C5C3
C) CO2_2
D) C1C1
  • 99. Choose the correct formula for Aluminum Phosphate .
A) Al3PO4_3
B) AlP
C) AlPO4
D) Al1PO4_1
  • 100. Choose the correct formula for Lithium Nitride.
A) Li3N
B) Li3Ni
C) Li5N3
D) Li1N3
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