FORMULAE Flashcards
What are the components of ionic compounds?
Positive and negative ions.
What is the formula for a hydrogen ion?
H+
What is the charge of sodium ion?
1+
What is the formula for a potassium ion?
K+
What is the formula for a silver ion?
Ag+
What is the formula for an ammonium ion?
NH4+
What is the charge of magnesium ion?
2+
What is the formula for a calcium ion?
Ca2+
What is the formula for a copper (II) ion?
Cu2+
What is the formula for a zinc ion?
Zn2+
What is the charge of iron (II) ion?
2+
What is the formula for a lead ion?
Pb2+
What is the charge of barium ion?
2+
What is the formula for an aluminium ion?
Al3+
What is the charge of iron (III) ion?
3+
What is the formula for a fluoride ion?
F-
What is the charge of a chloride ion?
1-
What is the formula for a bromide ion?
Br-
What is the formula for an iodide ion?
I-
What is the formula for a hydroxide ion?
OH-
What is the formula for a nitrate ion?
NO3-
What is the formula for a hydrogencarbonate ion?
HCO3-
What is the formula for a hydride ion?
H-
What is the charge of an oxide ion?
2-
What is the formula for a sulfide ion?
S2-
What is the formula for a carbonate ion?
CO3^2-
What is the formula for a sulfate ion?
SO4^2-
What is the charge of a nitride ion?
3-
Fill in the blank: The formula for a calcium ion is _______.
Ca2+
Fill in the blank: The formula for a nitrate ion is _______.
NO3-
True or False: The ammonium ion has a formula of NH4+.
True
True or False: The charge of a sulfate ion is 1-.
False
What is a suggested method for learning the ionic formulas?
Making flashcards.
What prefix is used for the number 1 in covalent compound names?
mono
Derived from Ancient Greek.
What prefix is used for the number 2 in covalent compound names?
di
Derived from Ancient Greek.
What prefix is used for the number 3 in covalent compound names?
tri
Derived from Ancient Greek.
What prefix is used for the number 4 in covalent compound names?
tetra
Derived from Ancient Greek.
What prefix is used for the number 5 in covalent compound names?
penta
Derived from Ancient Greek.
What prefix is used for the number 6 in covalent compound names?
hexa
Derived from Ancient Greek.
What is the formula for Carbon dioxide?
CO2
Commonly used in many chemical equations.
What is the formula for Carbon monoxide?
CO
A common gas that can be toxic.
What is the formula for Sulphur dioxide?
SO2
Emitted from volcanic eruptions and industrial processes.
What is the formula for Sulphur trioxide?
SO3
Used in the production of sulfuric acid.
What is the formula for Phosphorus trichloride?
PCl3
A chemical compound used in organic synthesis.
What is the formula for Silicon tetrachloride?
SiCl4
Used in the production of silicon and in chemical synthesis.
What is the formula for Phosphorus pentachloride?
PCl5
Used in chlorination reactions.
What is the formula for Nitrogen dioxide?
NO2
A significant air pollutant.
What is the formula for Dinitrogen tetroxide?
N2O4
An equilibrium species in the nitrogen dioxide dimerization.
What is the formula for Sulfur hexafluoride?
SF6
Used as an insulating gas in electrical equipment.
What is the formula for Hydrochloric acid?
HCl
A strong acid used in various chemical processes.
What is the formula for Nitric acid?
HNO3
A strong acid used in fertilizers and explosives.
What is the formula for Sulphuric acid?
H2SO4
One of the most widely used industrial chemicals.
What is the formula for Ammonia?
NH3
Used in fertilizers and cleaning products.
What is the formula for Methane?
CH4
A major component of natural gas.
What is the formula for Hydrogen?
H2
Exists as a diatomic molecule.
What is the formula for Oxygen?
O2
Essential for respiration in many organisms.
What is the formula for Nitrogen?
N2
Makes up about 78% of Earth’s atmosphere.
What is the formula for Chlorine?
Cl2
A diatomic molecule used as a disinfectant.
What is the formula for Iodine?
I2
Exists as a diatomic molecule in its elemental form.
What is the formula for Bromine?
Br2
The only non-metal that is liquid at room temperature.
