A

acid lakes:

acid rain:

acidic soil:

acids:

acids, strong:

acids, weak:

activation energy:

active site:

alcohols:

algae:

alkali metals:

alkaline earth metals:

alkalis:

alkanes:

alkenes:

allotropes:

alloys:

aluminium:

aluminium chloride:

aluminium oxide:

aluminium sulfate:

amino acids:

ammonia:

ammonia solution:

ammonium chloride:

ammonium hydroxide:

ammonium ions:

ammonium nitrate:

amylase:

analgesics:

analysis:

anode:

anodizing:

antacids:

argon:

Arrhenius, Svante:

aspirin:

asthenosphere:

atmosphere:

atomic number:

atoms:

Avogadro constant:

B

baking:

ball-and-stick diagrams:

barium:

barium chloride:

barium sulfate:

basalt:

bases:

basic oxygen process:

batholiths:

bauxite:

biodegradable:

bitumen:

blast furnace:

bleach:

boiling:

bond energy:

bonds, covalent:

bonds, double:

bonds, ionic:

bonds, metallic:

Bosch, Carl:

brass:

brewing:

brine:

bromine:

bromine water:

Brønsted, Johannes:

buckminsterfullerene:

bucky balls:

butane:

butanol:

butene:

C

caesium:

calcium:

calcium carbonate:

calcium hydrogen carbonate:

calcium hydroxide:

calcium oxide:

carbohydrases:

carbohydrates:

carbon:

carbon cycle:

carbon dioxide:

carbon monoxide:

carbon, allotropes:

carbonate ion:

carbonates:

carboxylic acids:

catalase:

catalysis:

catalysts:

catalytic converters:

cathode:

cells:

cellulases:

cellulose:

cement:

centrifuge:

changes of state:

changes, chemical:

changes, physical:

chemical symbols:

chlorine:

chlorine, bonding in:

chlorine, uses:

chromium plating:

citric acid:

coagulants:

collision theory:

colloids:

combustion:

combustion of elements:

combustion, incomplete:

composition, percentage:

compounds:

concentration:

concrete:

condensation:

condensing:

conductivity, electrical:

conductivity, thermal:

conglomerate:

conservation of mass:

Contact process:

continental drift:

continous phase:

copper:

copper chloride:

copper sulfate:

copper sulfate, anhydrous:

copper sulfate, hydrated:

copper, purification:

core:

corrosion:

covalent bonding:

cracking:

crust:

cryolite:

D

degradable:

dehydration:

delocalized electrons:

deposition:

detergents:

diamond:

diesel:

diffusion:

disaccharides:

disperse phase:

displacement:

dissociation:

dissolving:

distillation:

Döbereiner, Johann:

dolerite:

dot-and-cross diagrams:

Down's cell:

drugs:

duralumin:

dykes:

E

E numbers:

earthquakes:

electrical conductivity:

electrode:

electrolysis:

electrolyte:

electronic configurations:

electronic structures:

electrons:

electrons, delocalized:

electroplating:

elements:

empirical formula:

emulsions:

energy level diagram:

enzymes:

enzymes, denatured:

equations, balanced:

equations, chemical:

equations, ionic:

equations, word:

equilibrium:

equilibrium mixtures:

equilibrium, dynamic:

eruption:

esterification:

esters:

ethane:

ethanoic acid:

ethanol:

ethene:

eutrophication:

evaporites:

exfoliation:

F

fats:

faults:

feldspar:

fermentation:

fertilizer:

filtration:

fire triangle:

flame test:

fluorine:

foam:

folds:

formulae:

formulae, empirical:

formulae, molecular:

fossils:

fractional distillation:

fractionating column:

fractions:

freeze–thaw:

freezing:

fuel cells:

fuels:

G

gabbro:

gas pressure:

gasoline:

giant covalent structures:

giant ionic lattices:

giant metallic structures:

glass:

global warming:

glucose:

glycerol:

glycine:

gneiss:

granite:

graphite:

graphs:

greenhouse effect:

greenhouse gases:

Group 1:

Group 2:

Group 7:

Groups:

H

Haber process:

Haber, Fritz:

haematite:

haemoglobin:

half-equation:

halide ions:

halides:

halogens:

hard water:

hardness, temporary:

helium:

homologous series:

hornfels:

hydration:

hydrocarbons:

hydrocarbons, saturated:

hydrocarbons, unsaturated:

hydrochloric acid:

hydrogen:

hydrogen chloride:

hydrogen ions:

hydrogen peroxide:

hydrogen, uses:

hydrolysis:

hydroxide ions:

J
K

kerosene:

Kroll process:

krypton:

L

lattices:

lava:

Le Chatelier's principle:

lead bromide:

lead iodide:

lime:

limekiln:

limescale:

limestone:

limestone, uses:

lipases:

lithium:

lithosphere:

litmus:

Lowry, Thomas:

M

magma:

magnesium:

manganese(IV) oxide:

mantle:

mass number:

melting:

membrane cell:

Mendeleev, Dmitri:

metal hydroxides:

metal ions, tests for:

metallic bonding:

metalloids:

metals:

metals, extraction:

metamorphic rocks:

metamorphism, regional:

metamorphism, thermal:

metaquartzite:

methane:

methane, bonding in:

methanoic acid:

methanol:

methylpropane:

mica:

minerals:

minerals, felsic:

minerals, mafic:

mixtures:

molarity:

mole calculations:

molecular formula:

molecular structures:

molecules:

moles:

moles of gases:

monomers:

monosaccharides:

mortar:

mudstone:

P

particle theory:

particles:

pectinase:

penicillin:

pentane:

pentanol:

Periodic Table:

periods:

pH scale:

pH, optimum:

phosphates:

photosynthesis:

plastics, thermosetting:

plastics, thermosoftening:

polar molecules:

pollution, thermal:

pollution, water:

poly(ethene):

poly(propene):

poly(styrene):

poly(tetrafluoroethene):

poly(vinylchloride):

polymerization:

polymers:

polymers, addition:

polymers, condensation:

polysaccharides:

potassium:

potassium hydroxide:

potassium nitrate:

precipitates:

preferential order of discharge:

pressure:

propan-2-ol:

propane:

propanoic acid:

propanol:

propene:

proteases:

proteins:

protons:

Q

quartz:

quicklime:

S

sacrificial protection:

salicylic acid:

salts:

salts, preparation:

salts, solubility:

sandstone:

schist:

scrubbers:

scum:

seafloor spreading:

sedimentary rocks:

sedimentation:

sediments:

semi-metals:

shielding:

sills:

silver halides:

silver nitrate:

slag:

slaked lime:

slate:

sodium:

sodium carbonate:

sodium chloride:

sodium chloride, bonding:

sodium hydroxide:

sodium hydroxide, uses:

sodium thiosulfate:

solder:

sols:

solution mining:

solvents:

spectator ions:

spectrometer, atomic:

spectrophotometer, visible–ultraviolet:

spectrum, emission:

starches:

states of matter:

steel:

steel, stainless:

steels, alloy:

strontium:

subduction:

subliming:

substrates:

sucrose:

sulfur:

sulfur dioxide:

sulfur trioxide:

sulfuric acid:

sulfuric acid, manufacture:

surface area:

suspensions:

T

tectonic plates:

temperature:

temperature, optimum:

thermal conductivity:

thermal decomposition:

thermite reaction:

thermoplastic:

titanium:

titanium(IV) oxide:

titration:

titrations:

tonne:

transition metals:

transportation:

tungsten:

U

unconformity:

Universal Indicator:

unsaturated molecules:

V

vanadium(V)oxide:

vitamins:

volcanoes:

W

water:

water cycle:

water of crystallization:

water vapour:

water, bonding in:

weathering:

Wegener, Alfred:

X
Y

yeast:

Z

zinc: