Matter Flash Cards

1
Q

a homogeneous mixture of metals, or a mixture of a metal and a non-metal in which the metal is the major component.

A

alloy

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2
Q

a material’s ability to absorb energy before fracturing.

A

brittleness

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3
Q

any change that results in the formation of a new chemical substance.

A

chemical change

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4
Q

a characteristic of a substance that’s observed during a chemical reaction.

A

chemical property

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5
Q

parts of a mixture are separated based on the ability of each dissolved component to travel through materials at different speeds.

A

chromatography

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6
Q

occurs when a material catches fire at a temperature above 43 degrees Celsius.

A

combustibility

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7
Q

any substance formed from two or more elements that have been joined together chemically.

A

compound

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8
Q

the phase change that occurs when water vapor cools down to form liquid water.

A

condensation

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9
Q

the temperature at which a gas turns into a liquid at standard pressure.

A

condensation point

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10
Q

the separation of a pure solid substance from a solution containing the dissolved substance.

A

crystallization

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11
Q

the amount of mass per unit volume.

A

density

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12
Q

when a gas changes directly into a solid without going through the liquid phase.

A

deposition

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13
Q

the process that separates homogeneous mixtures based on the different boiling points of the substances.

A

distillation

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14
Q

the amount of heat in a system at constant pressure.

A

enthalpy

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15
Q

occurs on the surface of a liquid as it changes into a gas.

A

evaporation

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16
Q

a physical process used to separate solids from liquids by passing them through a barrier.

A

filtration

17
Q

occurs when a material catches fire at a temperature below 43 degrees Celsius.

A

flammability

18
Q

when a liquid turns into a solid.

A

freezing

19
Q

a combination of two or more substances in which the original substances are separated into physical distinct regions.

A

heterogeneous mixture

20
Q

any force that can hold or repel particles.

A

intermolecular force

21
Q

how readily a material’s shape can be changed.

A

malleability

22
Q

anything that has mass and takes up space.

A

matter

23
Q

when a solid turns into a liquid.

A

melting

24
Q

the temperature at which a solid turns into a liquid.

A

melting point

25
Q

a combination of two or more pure substances in which each pure substance retains its individual chemical properties.

A

mixture

26
Q

a special type of physical change in which a substance transitions among the states of matter, solid, liquid, and gas, but the chemical properties of the substance remain the same.

A

phase change

27
Q

a change which alters a substance without altering its composition.

A

physical change

28
Q

a characteristic that can be observed or measured without changing the chemical makeup of a substance. Types include color, odor, texture, boiling point, melting point, and density.

A

physical property

29
Q

the relative ability of a substance to undergo a chemical reaction.

A

reactivity

30
Q

a combination of two or more substances that have uniform composition and chemical properties throughout; also known as a homogeneous mixture.

A

solution

31
Q

when a solid transitions into a gas without going through the liquid phase.

A

sublimation

32
Q

a measure of the random kinetic energy in a sample of matter.

A

temperature

33
Q

the phase change from liquid to gas.

A

vaporization

34
Q

the temperature at which a liquid turns into a solid.

A

freezing point

35
Q

a combination of two or more substances that have uniform composition and chemical properties throughout; also known as a solution.

A

homogeneous mixture