Chem Test 1

Front 1

Water boils at

Back 1

212°F

100°C

373 K

Front 2

Water freezes at

Back 2

32°F

0°C

273 K

Front 3

Density H2O

Back 3

1 g/mL

Front 4

Density of air at STP

Back 4

1.292 g/L

Front 5

1 qt

Back 5

946.4 mL

Front 6

1 lb

Back 6

453.6 g

Front 7

Dalton's atomic theory one

Back 7

Matter is composed of small indivisible atoms

Front 8

Dalton's atomic theory 2

Back 8

The atoms of each element are identical to each other and unlike those of other atoms

Front 9

Dalton's atomic theory 3

Back 9

A compound contains atoms of two or more elements bond together in fixed proportions

Front 10

Dalton's atomic theory 4

Back 10

A chemical reaction is a rearrangement of atoms atoms are neither created nor destroyed during such reactions

Front 11

J. J. Thompson

Back 11

Discovered the electron forms the plum pudding model and proposed that the atom consists of the electrons embedded in a sphere of positive charge

Front 12

Milikan

Back 12

Formulated the oil drop experiment and determine the charge of the electron

Front 13

Ernest Rutherford

Back 13

Found alpha particles determine that atoms have a highly dense positively charged Center called a nucleus most of the atom is empty space and electrons are not in the nucleus

Front 14

Chadwick

Back 14

Discovered the neutron

Front 15

Isotopes

Back 15

Same number of protons different number of neutrons

Front 16

Average atomic mass

Back 16

€(fractional abundance)(relative weight)

Front 17

States of matter according to color on the periodic table

Back 17

Solids are black

Liquids are blue

Gases are red

Front 18

Energy

Back 18

The capacity to do work

Front 19

Work

Back 19

The action of a force through a distance

Front 20

Standard unit of length

Back 20

Meter

Front 21

Standard unit of mass

Back 21

Kilogram

Front 22

Standard unit of time

Back 22

Second

Front 23

Standard unit of temperature

Back 23

Kelvin

Front 24

Room temperature

Back 24

72°F

22°C

Front 25

A derived unit is

Back 25

A combination of other units

Front 26

Intensive property

Back 26

One that is independent of the amount of the substance

Front 27

Extensive property

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One that it depends on the amount of the substance

Front 28

Exact numbers have

Back 28

No uncertainty and thus do not limit the number of significant figures in any calculation

Front 29

Accuracy refers to

Back 29

How close the measured value is to the actual

Front 30

Precision refers to

Back 30

How close a series of measurements are to one another or how reproducible they are

Front 31

Electrostatic forces

Back 31

Attractive and repulsive forces

Front 32

Radioactivity

Back 32

The emission of small energetic particles from the core of certain unstable atoms

Front 33

Three different types of radioactivity

Back 33

Alpha particles beta particles and gamma rays alpha particles are positively charged and they are by far the most massive of the three

Front 34

Mass spectrometry

Back 34

A technique that separate particles according to their Mass

Front 35

Hydrates

Back 35

Contain a specific number of water molecules associated with each formula unit

Front 36

NaOH

Back 36

Lye

Front 37

NaHCO3

Back 37

Baking soda

Front 38

HC2H3O2

Back 38

Vinegar or acetic acid

Front 39

H2SO4

Back 39

Battery acid

Front 40

HCl

Back 40

Muriatic acid

Front 41

CaCO3

Back 41

Limestone/marble/shells