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Dalton’s theory
A scientific theory that explains the composition and behavior of matter based on the idea that matter is composed of indivisible atoms.
Mass conservation
The principle stating that mass is neither created nor destroyed in a chemical reaction.
Iron (III) oxide
A reddish-brown compound formed when iron reacts with oxygen; commonly known as rust.
Ethanol
A type of alcohol produced during anaerobic fermentation by yeast when glucose is converted.
Isotopes
Atoms that have the same number of protons but different numbers of neutrons.
Average atomic mass
A weighted average of the masses of the isotopes of an element, calculated based on their natural abundances.
Natural abundance
The relative proportion of an isotope in a naturally occurring sample of an element.
Percent abundance calculation
A method used to determine the abundance of isotopes in a sample based on their measured masses.
Corrosion
The process through which metals deteriorate due to chemical reactions with their environment, typically with oxygen.
Complete combustion
A reaction in which a hydrocarbon reacts with oxygen to produce carbon dioxide and water.