Chapter_2_Review_Questions

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10 Terms

1

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.

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2

Mass conservation

The principle stating that mass is neither created nor destroyed in a chemical reaction.

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3

Iron (III) oxide

A reddish-brown compound formed when iron reacts with oxygen; commonly known as rust.

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4

Ethanol

A type of alcohol produced during anaerobic fermentation by yeast when glucose is converted.

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5

Isotopes

Atoms that have the same number of protons but different numbers of neutrons.

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6

Average atomic mass

A weighted average of the masses of the isotopes of an element, calculated based on their natural abundances.

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7

Natural abundance

The relative proportion of an isotope in a naturally occurring sample of an element.

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8

Percent abundance calculation

A method used to determine the abundance of isotopes in a sample based on their measured masses.

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9

Corrosion

The process through which metals deteriorate due to chemical reactions with their environment, typically with oxygen.

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10

Complete combustion

A reaction in which a hydrocarbon reacts with oxygen to produce carbon dioxide and water.

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