Gen Chem

Front 1

ANAXIMENES

Back 1

Air

Front 2

THALES OF MILETUS

Back 2

WATER

Front 3

HERACLITUS

Back 3

FIRE

Front 4

Empedocles

Back 4

Earth, fire, water, air

Front 5

Law of defenite proportions

Back 5

All things the same type have the same proportion of elements

Front 6

Leucippus and his student Democritus

Back 6

Discovered atomos, which means uncuttable

Front 7

Atom is:

Back 7

Are in constant motion

Are completely solid

Are uniform with no internal structure

Comes in different size and shape

Too tiny to be seen with the naked eye

Front 8

Epicurus of Samos

Back 8

Atomism: matter made up of atoms, different types of atom have difeerent weights but the same speed

Front 9

Aether

Back 9

Matter that is found outside the earth

Front 10

Continous theory

Back 10

Matter can be divided indefinitely

Front 11

Discrete theory

Back 11

Direct contrast to the continuous theory

Front 12

Mass

Back 12

Amount of matter

Front 13

Volume

Back 13

Space it ocupies

Front 14

5 sates of matter

Back 14

Solid, liquid, gas, plasma, Bose Einsteinn condensate(BEC)

Front 15

Solid

Back 15

Has definite shape and volume

Front 16

Liquid

Back 16

Has no definite shape but has definite volume

Front 17

Gas

Back 17

Has no definite volume but takes the shape of the container

Front 18

Solid to liquid

Back 18

Melting

Front 19

Liquid to gas

Back 19

Evaporation

Front 20

Gas to liquid

Back 20

Condensation

Front 21

Solid to gas

Back 21

Sublimation

Front 22

Gas to solid

Back 22

Deposition

Front 23

Plasma

Back 23

Formed by heating and ionizing gas

Front 24

Bec

Back 24

Formed when a cloud of bosoms ( a type of elementary type of matter) is cooled to temperatures

Front 25

Physical property of matter

Back 25

Can be observed without changing the composition

Front 26

Chemical property of matter

Back 26

Can be observed with an accompanying change in the chemical composition

Front 27

Extensive of extrinsicproperties

Back 27

Ammount of matter. Mass lenght size

Front 28

Intensive or intrinsic properties

Back 28

Type of matter. Color physical stae melting freezing points

Front 29

Pure substance

Back 29

Unchanging or specific composition

Front 30

Mixture

Back 30

Different pure substance that are physically combined

Front 31

Element

Back 31

Composed of only one kind of atom

Front 32

Compound

Back 32

Two or more elements combined chemically

Front 33

Electrolysis

Back 33

Separation of hydrogen and oxygen in H²O

Front 34

Homogenous mixture

Back 34

Composition ia uniform throughtout a sample (saltwater and air)

Front 35

Heterogenous

Back 35

Form layers of their constituent substance

Front 36

Solute

Back 36

Substance that gets dissolved

Front 37

Solvent

Back 37

The one that does the dissolving

Front 38

Accuracy

Back 38

How close a measurement is to the true accepted value

Front 39

Precision

Back 39

Refers to the closeness of measurement within a set of data

Front 40

Antoine-Laurent Lavoisier

Back 40

Law of conservation of mass (chemical reaction, the mass of the substance produced ia equal to the mass of subsatnce reacted)

Front 41

Jeseph Louis Proust

Back 41

Law of definite propertion (sample of agiven compound will always be composed of the same elements in the proportion by mass)

Front 42

John Dalton

Back 42

Law of multiple proportions (elements that can form different compounds, the mass of the second element is in ratio)

Front 43

Rutherford

Back 43

Discovered the proton

Front 44

James chadwick

Back 44

Neutron on the nucleus

Front 45

Joseph john thomson

Back 45

Discovered electron

Front 46

Wilhelm Conrad Roentgen

Back 46

The discovery of xray

Front 47

Z=e‐=p+

Back 47

Atomic number electron proton

Front 48

A=P++n

Back 48

Mass proton plus neutron

Front 49

N=A-Z

Back 49

Neutron= Mass-atomic number

Front 50

Z=e‐=p+

Back 50

Atomic number electron proton