chemical reactions
the basic unit of everything
atom
any change that results in something new being formed/made
chemical reaction
2C4H10(g) + 13O2(g) —> 8CO2(g) + 10H2O(g)
combustion
x + oxygen —> carbon dioxide + water
combustion
two or elements that are chemically combined in a fixed/definite ratio or proportion
compound
AbCDe —> Ab + CDe
decomposition
N2O5 —> O2 + NO2
decomposition
AB + CDFB—> ADF + BC
double replacement
Bal2 + H2SO4 —> 2Hl + BaSO4
double replacement
a pure substance, only one type is present
element
two or more atoms held by a convalent bond
molecule
a substance that is the "something new" or the result of a change
prouduct
a substance that gets used in a chemical reaction. this materiel is present before the reaction takes place.
reactant
AB + Ce —> ACe + B
single replacement
Fe + CuSO4 —> FeSO4 + Cu
single replacement
A + B —>
synthesis
Ca + 6B —> CaB6
synthesis
