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8th Science Chemistry > Chapter 1 Introduction to Matter > Flashcards

Chapter 1 Introduction to Matter Flashcards

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1
Q

Anything that has mass and takes up space

A

Matter

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2
Q

The study of matter and how matter changes

A

Chemistry

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3
Q

A single kind of matter that is pure

A

Substance

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4
Q

A characteristic of a substance that can be observed without changing into another substance
Examples: Color, Texture, Size, States of matter

A

Physical Property

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5
Q

A characteristic of a substance that describes its ability to change into different substances

A

Chemical Property

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6
Q

A substance that cannot be broken down into any other substance by chemical or physical means

A

Element

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7
Q

The basic particle from which all elements are made

A

Atom

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8
Q

A force of attraction between two atoms

A

Chemical Bond

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9
Q

A group of two or more atoms held together by chemical bonds

A

Molecule

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10
Q

A substance made by two or more elements that are chemically combined in a set ratio

A

Compound

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11
Q

Shows the elements in a compound and the ratio of the atoms

A

Chemical Formula

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12
Q

Made of two or more substances that are together in the same place but they are not chemically combined

A

Mixture

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13
Q

Different parts can be easily seen and separated out of the mixture

A

Heterogeneous Mixture

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14
Q

So evenly mixed that you cannot see or separate the different parts of the mixture

A

Homogeneous Mixture

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15
Q

A measure of the force of gravity on an object

A

Weight

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16
Q

The amount of matter in an object which does not change with location even if the force of gravity changes

A

Mass

17
Q

A system of measurements based on ten and on established measures of mass, length and time

A

International System of Units

18
Q

The amount of space that matter occupies

A

Volume

19
Q

A measure of the mass of a material in a given volume

A

Density

20
Q

This alters the form or appearance of matter but does not turn any substance in the matter into a different substance

A

Physical Change

21
Q

A change in matter that produces one or more new substances

A

Chemical Change

22
Q

The fact that matter is not created or destroyed in any chemical or physical change

A

Law of Conservation of Mass

23
Q

A measure of how hot or cold something is. It is related to the energy of motion of the particles of matter

A

Temperature

24
Q

The total energy of the motion of all of the particles in an object

A

Thermal Energy

25
Q

A change in which energy is absorbed

A

Endothermic Change

26
Q

A chemical change that releases energy

A

Exothermic Change

27
Q

The energy stored in the chemical bonds between atoms

A

Chemical Energy

8th Science Chemistry (2 decks)

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