Nomenclature
Ammonium
NH4 (1+)
The full name of the elements between groups 1a-2a and 3a-8a
Transition metals
The sum of the coefficients in the balanced form of the equation below:
_NaF + _Br2 -> NaBr + F2
2NaF + Br2 -> 2NaBr + F2
2+1+2+1=
6
The amount of significant figures in the following number:
1500
2 significant figures
This law states that matter and energy cannot be created nor destroyed
The law of conservation of mass/energy
The name of this molecule:
CH4
Methane
Name for the group 7a elements
Halogens
This number is the coefficient for potassium hydroxide AND sodium hydroxide in the balanced form of the following equation:
_Na3PO4 + _KOH -> _NaOH + _K3PO4
Na3PO4 + 3KOH -> 3NaOH + K3PO4
3
The name for this value:
6.022 x 10^23
Avogadro's Number (what does it mean?)
These units represent molar mass
grams per mole
The formula and charge for this ion:
Bicarbonate
HCO3 (1-)
Name for the group 2a elements
Alkaline earth metals
The coefficients in order from left to right in the balanced form of the following equation:
_SO2 + _Li2Se -> _SSe2 + _Li2O
SO2 + 2Li2Se -> SSe2 + 2Li2O
1,2,1,2
The amount of significant figures in the following number:
0.0000035
2 significant figures
Combination reaction
The name of this compound:
KNO3
Potassium Nitrate
The name for the 2 rows commonly placed beneath the periodic table
Lanthanides and Actinides
The leading coefficient on NH3 in the balanced form of the following reaction:
_NH3 + _H2SO4 -> _(NH4)2SO4
2NH3 + H2SO4 -> (NH4)2SO4
2
The molar mass of this molecule:
CO2
44.01 g/mol
This reaction type is when a reactant substance creates two or more products
Decomposition reaction
The name for this compound:
H3PO4
Phosphoric Acid
The metallic character of an element increases going down and to the ______ on the periodic table
left
The sum of the coefficients in the balanced form of the equation below:
_HCN + _CuSO4 -> _H2SO4 + _Cu(CN)2
2HCN + CuSO4 -> H2SO4 + Cu(CN)2
2+1+1+1=
5
The amount of kilograms of water given that I have 8.97*10^25 molecules of H2O
2.684148124 kilograms of water
This reaction usually involves a hydrocarbon and oxygen gas reacting to create carbon dioxide and water
Combustion reaction