CHEM INTRO

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20 Terms

1

Science

Knowledge

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2

Chemistry

The study of MATTER and its INTERACTIONS with other MATTER and ENERGY

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3

Scientific Method

Theory tested my experimemts

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4

Hypothesis

Possible explanination

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5

Law

Summerizes larger number of observation

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6

Theory

Explanation of laws of theory

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7

Matter

Mass that occupies space

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8

Mass

Quantity of matter

( balance to measure )

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9

Weight

Force of attraction between objects

( scale to measure )

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10

Property

Anything observed or measured

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11

EXTENSIVE property

size of sample

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12

INTENSIVE property

size

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13

Physical properties

Can be measured without change

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14

Chemical properties

Measures reactivity

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15

Substance

Any single substance is pure and same throughout

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16

Element

CANNOT be broken by chemical means

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17

Compounds

CAN be broken down

EX> H20

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18

Mixture

Can be seperated by physical methods

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19

Heterogenous mixtures

A mixture that is NOT uniform

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20

Homogenous mixture

A mixture that IS uniform

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