STM 005

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A measure of the speed of diffusion or the capacity for spreading.

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1

A measure of the speed of diffusion or the capacity for spreading.

Diffusibility

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2

a material property that describes its tendency to fracture with little to no plastic deformation when stress is applied to it

Brittleness

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3

Properties that are exhibited by a material when the heat is passed through it.

Thermal

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4

The measure of how much a given volume of matter decreases when placed under pressure

Compressibility

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5

ability of an object or material to resume its normal shape after being stretched or compressed.

Elasticity

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6

The tendency of a liquid in a capillary tube or absorbent material to rise or fall as a result of surface tension.

Capillarity

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7

A material's ability to undergo significant plastic deformation under tensile stress before rapture

Ductility

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8

a material that describes its ability to deform under pressure or hammering without cracking or breaking

Malleability

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9

the resistance of a fluid (liquid or gas) to a change in shape or movement of neighboring portions relative to one another.

Viscosity

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10

refers to how bendable something is. The more bendable it is, the more flexible it is.

Flexibility

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11

a change in the form of matter but not in its chemical identity

Physical Change

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12

a characteristic that can be observed for a material without changing its chemical identity.

Physical Properties of Matter

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13

a property that depends on the amount of matter in a sample.

Extensive Properties

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14

a property of matter that depends only on the type of matter in a sample and not on the amount.

Intensive Properties

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15

a change in which one or more kinds of matter are transformed into a new kind of matter or several new kinds of matter.

Chemical Change

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16

a characteristic of a material involving its chemical change.

Chemical Properties of Matter

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17

It refers to the closeness of a measured value to a standard or known value.

Accuracy

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18

It refers to the closeness of two or more measurements to each other.

Precision

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19

It is anything that occupies space and has mass.

Matter

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20

It is a combination of two or more substances in which the substances retain their identity.

Mixture

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21

The composition of the mixture, after sufficient stirring, is the same throughout the solution.

Homogenous Mixture

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22

The individual components of a mixture remain physically separated and can be seen as separate components.

Heterogenous Mixture

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23

It is a form of matter that has a definite or constant composition.

Substance

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24

A substance that cannot be separated into simpler substances by chemical means.

Element

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25

A substance composed of atoms of two or more elements chemically united in fixed proportions.

Compound

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26

a homogeneous mixture of two or more substances. The dissolving agent is the solvent, and the substance that is dissolved is the solute.

Solution

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27

A heterogeneous mixture in which relatively large particles are scattered through solid, liquid, and gas.

Suspension

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28

a heterogeneous mixture in which the dispersed particles are intermediate in size between solution and suspension.

Colloid

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29

are carbon-based compounds and are usually derived from living things (such as plants or animals).

Organic Compounds

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30

are compounds that do not contain carbon atoms and can be found in minerals, rocks, and water.

Inorganic Compounds

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31

any hydrogen-containing substance that is capable of donating a proton (hydrogen ion) to another substance.

Acid

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32

are characterized by a bitter taste and a slippery texture.

Base

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33

It is the product of the reaction between an acid and a base (other than water).

Salts

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34

These are elements that are good conductors of heat and electricity and tend to form positive ions in ionic compounds.

Metals

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35

These are elements with properties intermediate between those of metals and non-metals.

Metalloid

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36

These are elements that are usually poor conductors of heat and electricity.

Non-metal

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