Matter-Landon Hodge Flashcards

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0
Q

Matter

A

Anything takes up room and has mass.

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1
Q

Chemistry

A

The scientific examination of what makes up matter and how matter changes.

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2
Q

Element

A

Something that cannot broken apart into less complex things through a chemical way.

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3
Q

Atom

A

The tiniest part of an element that keeps the same properties of the element.

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4
Q

Compound

A

Something made from the smallest parts of at least two different elements that are combined in a chemical way.

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5
Q

Molecule

A

The littlest part of a substance that maintains all of the properties of that substance.

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6
Q

Chemical formula

A

Mixture of chemical symbols and numbers to show what a substance is.

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7
Q

Pure substance

A

Matter that is either one element or one compound that cannot be separated by a physical means.

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8
Q

Mixture

A

At least two substances combined physically not chemically.

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9
Q

Heterogeneous mixture

A

A mixture in which the substances are not evenly distributed.

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10
Q

Homogeneous mixture

A

A mixture in which the substances are evenly distributed and the whole mixture is the same.

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11
Q

Miscible

A

Substances that can be mixed.

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12
Q

Immiscible

A

Substances that cannot be mixed.

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13
Q

Melting point

A

Point when temperature and pressure become enough to turn a solid to a liquid.

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14
Q

Boiling point

A

Point when temperature is great enough to turn liquid to gas.

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15
Q

Density

A

The ratio of how much matter is in something to how much space that something takes up.

16
Q

Reactivity

A

If a substance is able to combine with another substance through a chemical means.

17
Q

Flammability

A

If an object can react to oxygen or burn when put with a flame.

18
Q

Physical properties

A

Odor, volume, color

Properties that can be observed without changing the substance.

19
Q

Chemical properties

A

Harder to observe

Have to observe while identity of substance changes.

20
Q

Physical Change

A

Matter changing into something else without changing its chemical properties.

21
Q

Chemical Change

A

Matter changing into at least one complete new substance.