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1.2 the composition of matter

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卡片总数: 18内容版本: v3公开卡包更新时间: 8/1/2026

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#1
正面 (问题)

matter

背面 (解答)

is anything that has mass and takes up space.

#2
正面 (问题)

substance

背面 (解答)

is another word for matter

#3
正面 (问题)

pure substance

背面 (解答)

is a substance of constant composition that possesses definite qualities

#4
正面 (问题)

four basic substance

背面 (解答)

earth, air, fire, water

#5
正面 (问题)

element

背面 (解答)

is a pure substance that cannot be broken down into simpler substances by physical or chemical means.

#6
正面 (问题)

atoms

背面 (解答)

is the smallest particle into which an element can be divided and still be the same substance.

#7
正面 (问题)

compound

背面 (解答)

is a pure substance consisting of atoms of two or more elements that are chemically combined in a fixed proportion.

#8
正面 (问题)

molecule

背面 (解答)

A particle consisting of two or more atoms bonded together

#9
正面 (问题)

mixture

背面 (解答)

is a combination of two or more substances that are not chemically combined.

#10
正面 (问题)

heterogeneous mixture

背面 (解答)

is a combination of substances in which the particles are not uniformly distributed and can readily be separated.

#11
正面 (问题)

homogenous mixture

背面 (解答)

is a combination of substances in which the properties and appearance are the same throughout and the individual particles are not easily separated.

#12
正面 (问题)

Distillation

背面 (解答)

is a method used to separate homogeneous liquid mixtures.

#13
正面 (问题)

Filtration

背面 (解答)

is the use of paper or other materials to remove solid particles from a liquid mixture

#14
正面 (问题)

Chromatography

背面 (解答)

is a method of separating substances based on the tendencies of different substances to be adsorbed* at different rates.

#15
正面 (问题)

Adsorption

背面 (解答)

is the adhesion of atoms, ions or molecules from a gas, liquid or dissolved solid to a surface.

#16
正面 (问题)

suspension.

背面 (解答)

A mixture in which the particles of a substance are mixed throughout but are large enough that they will settle

#17
正面 (问题)

colloid

背面 (解答)

is a mixture in which the particles of a substance are mixed throughout and are not large enough to settle.

#18
正面 (问题)

tyndall effect

背面 (解答)

the scattering of light by colloids