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