H2O has what type of bond holding them together?
single bond
Part of the atom that takes part in a chemical reaction
Valence Electron
Pb + FeSO4 -------> PbSO4 + Fe
Single Replacement
_____ N2 + _____ H2 —----> _____ NH3
1, 3, 2
2Fe + 3Cl2 -------> 2FeCl3
Balanced
O2 has what type of bond holing them together?
Double Bond
Number of Valence Electrons for Calcium/ Draw the Dot Diagram Correctly
2
Ca - 2 Dots
CaCO3 -------> CaO + CO2
Decomposition
_____ Zn + _____ HCl —----> _____ ZnCl2 + _____ H2
1, 2, 1, 1
2Fe2O3 + 3C -------> 4Fe + 3CO2
Balanced
Bond between 2 nonmetals that share valence electrons
Covalent Bond
Number of Valence Electrons for Phosphorus/ Draw the Dot Diagram Correctly
5
P - 5 Dots
2 C5H5 + Fe -------> Fe(C5H5)2
Synthesis
_____ CaCl2 + _____ Na3PO4 —----> _____ Ca3(PO4)2 + _____NaCl
3, 2, 1, 6
2KClO3 -------> 2KCl + 2O2
Unbalanced
The elements or compounds present before the reaction takes place.
Reactants
Number of Valence Electrons for Xenon/ Draw the Dot Diagram Correctly
8
Xe - 8 Dots
Na3PO4 + 3KOH -------> 3NaOH + K3PO4
Double Replacement
_____ Ni + _____ AuBr3 —----> _____ NiBr2 + _____ Au
3, 2, 3, 2
2AlBr3 + 3K2SO4 -------> 6KBr + 2Al2(SO4)3
Unbalanced
Bond between a metal and a nonmetal where the metal transfers valence electrons to the nonmetal
Ionic Bond
Number of Valence Electrons for Francium/ Draw the Dot Diagram Correctly
1
Fr - 1 Dot
C3H6O + 4 O2 -------> 3 CO2 + 3 H2O
Combustion
___ (NH4)3PO4+ ___ Pb(NO3)4 —----> ___ Pb3(PO4)4 + ___ NH4NO3
4, 3, 1, 12
1HNO3 + 1NaHCO3 -------> 1NaNO3 + 1 H2O + 1CO2
Balanced