Science Final (Not Ipc)

Front 1

Synthesis

Back 1

when two elements or compounds combine.
ex: Na+Cl2 -> NaCl2

Front 2

decomposition

Back 2

When one compound breakes apart. ex: H2O -> H2+O

Front 3

Single Replacement

Back 3

a single uncombined element replaces another in a compound. ex: Zn+2HCl -> ZnCl2+H2

Front 4

What happened in the Copper Sulfate Lab

Back 4

Single Replacement
Zn+So4=ZnSo4+Cu

Front 5

Napalm Lab

Back 5

we were left with pure calcium

Front 6

Mystery Demo

Back 6

the acid dehydrated the shugar and we were left with a pillar of carbon [an exothermic chemical reaction]

Front 7

hydrogen Demo

Back 7

the melting of the MG made Hydrogen gas.
Mg+HCl->MgL2+H2

Front 8

Electrolisus Aporatus

Back 8

the device split the H2O into H2 and O.

Front 9

Element

Back 9

a pure element (like on the perodic table)

ex: Na

Front 10

Compound

Back 10

two or more elements

ex: H2O

Front 11

Mixture

Back 11

two or more different materials without a chemical reaction occurring (the objects do not bond together

Front 12

Hetrogenious Mixture

Back 12

The parts of a heterogeneous composition can be separated from each other.
ex: pizza, trail mix

Front 13

Homogenious Mixture

Back 13

A mixture that seems pure, and the ingrediants are evenly distriduted
ex: air

Front 14

colloids

Back 14

clowey (canot clearly see ingredents) particals larger than a solution. but particals do not settle.
ex: milk

Front 15

suspentions

Back 15

A mixture (cloudy) where the particles are large enough to settle.
ex: flower and water

Front 16

alloys

Back 16

mixture of usualy meatle
ex: steel

Front 17

in the 10+10 lab why did we get 18

Back 17

the particals fit more comfortably

Front 18

Gypson

Back 18

silky, pearly, or waxy.
scratches easly

Front 19

calcite

Back 19

clear, white streak, smoth, hard.

Front 20

magnetite

Back 20

Black, magnetic, metalic, black streak.

Front 21

graphite

Back 21

metallic, Steel black, to gray, black streak.

Front 22

Talc

Back 22

white, wax-looking, white streak. very soft

Front 23

Atom

Back 23

The smallest piece of matter that still has the proproty of the element.

Front 24

Nucleus

Back 24

center of an atom mad up of neutrons and protons (have a positive charge)

Front 25

Protons

Back 25

make up the nucleus, have a positive charge.

Front 26

Neutrons

Back 26

are neutral particals in the nucleus

Front 27

Electrons

Back 27

fly around the Nucleus in a cloud and has a negative charge.

Front 28

Quarks

Back 28

protons and neutrons are made up of quarks (smallest known piece of matter known.

Front 29

Electron cloud

Back 29

area around the nucleus of an atom where the eletrons are found.

Front 30

Energy levels

Back 30

areas in the cloud where electrons are most likely to be found

Front 31

Atomic mass

Back 31

# of protons

Front 32

Isotopes

Back 32

an atom of the same element but one that has a different # of neutrns

Front 33

binary compound

Back 33

compound that is composed of two elements

Front 34

chemical bond

Back 34

force that holds atoms together in a compound

Front 35

chemical formula

Back 35

chemical shortage that use symbols to tell what elements are in a compound and there ratios.C2H5OH (methonal)

Front 36

chemicaly stable

Back 36

describes a atom with a full outer energy level.

Front 37

covlent bond

Back 37

attraction formed between atoms when they share electrons.

Front 38

hydrate

Back 38

compound that has water chemicaly attatched to its ions and written into its chemical formula.

Front 39

ion

Back 39

charged partical that has more or fewer electrons than protons.

Front 40

ionic bond

Back 40

attractions formed between opposit charged ions in an ionic compound.

Front 41

nonpolar molecule

Back 41

material that has no seperated positave and negitave areas, does not attract water or desolve easly

Front 42

cataltst

Back 42

something that speeds up a reacton

Front 43

chemical reaction

Back 43

a reaction where the product is a new substance(s)

Front 44

coefficient

Back 44

numbers in a chemcal equation that represent the number of units of each substance.

Front 45

inhibitor

Back 45

something that slows down or stops a reaction.

Front 46

precipitate

Back 46

insolublecompound that comes out of a solution durring a doubble replacment reaction.

Front 47

Democritus

Back 47

"something makes up everything"

Front 48

Robert Boyal

Back 48

"not only 4 elements"
-Uniform of chemist-

Front 49

John Dolton

Back 49

1803, matter is made of invisable invincible atoms.

Front 50

J.J. Tomson

Back 50

shell-goo-electrons

Front 51

James Clark

Back 51

discovered Neutrons

Front 52

Niels Bohr

Back 52

1913, neutrons orbit