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3C Chemistry

Chemical formula

QuestionAnswer
The relative proportion of atoms in a molecule Chemical formula
The charges are switched and are always positive
Ex: Ca^+2 CI^-1 CaCI2, Calcium Chloride
Ex: Li^+1 F^-1 LiF, Lithium Fluoride
Ex. Ca^+2 N^-3 Ca3N2, Calcium Nitride
Ex. Na^+1 P^-3 Na3P, Sodium Phosphide
Ex. Al^+3 S^-2 Al2S3, Aluminum
Ex. Gallium Sulfide Ga^+3 S^-2 Ga2S3
Ex. Aluminum Oxide Al^+3 O^-2 Al2O3
Ex. Potassium Fluoride K^+1 F^-1 KF
Ex. Lithium Oxide Li^+1 O^-2 Li2O
Boron Nitride B^+3N^-3 BN
Ammonium Oxide NH4^+1 O^-2 (NH4)2O
Magnesium Phosphate Mg^+2 PO4^-3 Mg3(PO4)2
Sodium Carbonate Na^+1 CO3^-2 Na2CO3
Sodium Hydroxide NaOH
Ammonium Carbonate (NH4)2CO3
Aluminum Nitrate Al(NO3)3
Aluminum Nitride AIN
Ammonium Oxide (NH4)2O
Combustion reaction burning
balancing reactants and products
Roman Numerical # mean charge, always positive
Decompostion reaction XY= X + Y
Single replacement AX + B = BX + A
Double replacement AX + B + BX + AY
Synthesis reaction X + Y = XY
Created by: edith1234
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