Chemistry Revision

?
Solid-to-gas?
Sublimation
1 of 61
gas-to-solid?
Deposition
2 of 61
compound definition?
Compounds contain 2 or more different elements chemically bonded together.
3 of 61
Mixture definition?
-Mixtures contain substances that are not chemically bonded.
-Can be separated easily.
4 of 61
what are 5 properties of solids?
-regular structure
-no space between the particles
-high density
-fixed shape + volume
-low energy
5 of 61
what are 5 properties of liquids?
-irregular structure
-high density
-fixed volume
-changes shape to fit a container
- moderate energy
6 of 61
what are 5 properties of gasses?
-low density
-irregular structure
- high energy
-volume increases to fill capacity
-large spaces between particles
7 of 61
what is a solution?
a mixture formed when a substance dissolves in a another substance.
8 of 61
what does Soluble mean?
a substance that can be dissolved
9 of 61
what is a Solvent?
a substance, usually a liquid, that something dissolves in
10 of 61
what is a solute?
the substance that is dissolved
11 of 61
what does insoluble mean?
can't be dissolved
12 of 61
what are variables?
things that you can change in an experiment
13 of 61
what is an independent variable?
what I decide to change
14 of 61
what is a dependent variable?
what is measured to collect results
15 of 61
what are control variables?
what is kept the same
16 of 61
what are bases?
solids
17 of 61
what endings can bases have?
- (metal) oxide
- (metal) carbonate
18 of 61
what ending do alkali have?
(metal) hydroxide
19 of 61
acid used= hydrochloric
sulfuric
nitric

what are the endings of the salts?
-chloride
-sulfide
-nitride
20 of 61
energy definition?
-the ability to do work
-energy is how things change and move. It's everywhere around us and takes all sorts of forms.
21 of 61
types of energy
(Most Kids Hate Learning GCSE Energy Names)
-Magnetic -Kinetic
-Heat -Light
-Gravitational -Chemical
-Sound -Electrical
-Elastic -Nuclear
22 of 61
what is the Law of the conservation of energy?
Energy is never destroyed or used up. It is only transferred into another form.
23 of 61
how can energy be transferred?
-mechanically
-electrically
-by heating
- by radiation
24 of 61
How can energy be stored?
-chemical -kinetic
-thermal -gravitation potential
-elastic -magnetic
-electrostatic -nuclear
25 of 61
Nonrenewable resource definition?

+2 examples
a resource that forms at a rate that is much slower than the rate that it is consumed.

-coal
-oil
26 of 61
Renewable resource definition?

+2 examples
Can be replaced at the same rate in which the resource is used.

-solar
-wind
27 of 61
what type of bond is the strongest?
covalent
28 of 61
how many bonds does carbon (C) need
4
29 of 61
what is combustion?
a type of chemical reaction
30 of 61
complete combustion definition?
when everything burns because there is lots of oxygen.
31 of 61
incomplete combustion definition?
When not everything burns because there is not enough oxygen
32 of 61
what is the complete combustion equation?
hydrocarbon+oxygen ----> carbon dioxide+water
CH4+O2 CO2+H2O

(the numbers are small)
33 of 61
what is the incomplete combustion equation?
hydrocarbon+oxygen->carbon monoxide+water+soot

CH4+O2 CO+H2O+C

(the numbers are small)
34 of 61
What are atoms?
-Atoms make up everything.
-They are the smallest matter.
-made of protons, neutrons and electrons.
35 of 61
what are the components of an atom?
-nucleus
-neutrons
-protons
-electrons
36 of 61
why are atoms unstable?
the electrons move very quickly
37 of 61
Anaerobic definition?
no oxygen
38 of 61
Organicdefinition?
made from living things (plants, animals)
39 of 61
What are the layers of the Earth?
-Atmosphere
-Crust
-Mantle
-Outer core
-Inner core
40 of 61
what is the Atmosphere?
surrounds the Earth
41 of 61
what is the Crust?
-the part we live on
-thin and rocky
42 of 61
what is the mantle?
thick, rocky substance that the crust floats on
43 of 61
what is the outer core?
magma made iron and nickle
44 of 61
what is the inner core?
a solid ball of hot iron and nickle
45 of 61
what are 4 Properties of acids?

+2 examples
-PH less than 7
-Turns litmus paper red
-tastes sour
-stings or just feels wet

-soda
-coffee
46 of 61
what are 4 Properties of alkali?

+2 examples
-PH greater than 7
-Turns litmus paper blue
-tastes bitter or soapy
-feel slippery

-soap
-baking soda
47 of 61
what is the Sulfuric acid symbol?
H2SO4

(the numbers are small)
48 of 61
Hydrochloric acid symbol?
HCl
49 of 61
Nitric acid symbol?
NH
50 of 61
What makes an acid an acid?
H+ hydrogen ions

(the + is above the H)
51 of 61
What makes an alkali an alkali?
OH- Hydroxide ions

(the - is above the H)
52 of 61
synthetic?
man made
53 of 61
sulfide symbol
S
54 of 61
sulfate symbol?
SO4

(the number is small)
55 of 61
(H+) + (OH-) =?
H2O (water)

(the 2 is small)
56 of 61
what do opposites do?
attract
57 of 61
What are most indicators made of?
natural things (plants)
58 of 61
acid + alkali ---> ? + ?
salt + water
59 of 61
in the equation:
calcium hydroxide+hydrochloric acid = water+calcuim chloride

what are the reactants?
calcium hydroxide +hydrochloric acid
60 of 61
in the equation:
calcium hydroxide+hydrochloric acid = water+calcuim chloride

what are the products?
water +calcium chloride
61 of 61

Other cards in this set

Card 2

Front

gas-to-solid?

Back

Deposition

Card 3

Front

compound definition?

Back

Preview of the front of card 3

Card 4

Front

Mixture definition?

Back

Preview of the front of card 4

Card 5

Front

what are 5 properties of solids?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all chemsitry resources »