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elements,compounds and mixtures

Element substance that cannot be split up into simpler substances by chemical means
H hydrogen
B boron
C carbon
N nitrogen
O oxygen
F fluorine
P phosphorus
S sulfur
HE helium
LI lithium
BE beryllium
NE neon
MG magnesium
AL aluminium
SI silicon
CL chlorine
AR argon
CA calcium
MN manganese
ZN zinc
Compound substance made of 2 or more different elements combined together chemically
mixture consists of 2 or more different substances mingled with each other but not chemically combined
air is a mixture of different gases
sea water mixture of salt and different substances
crude oil most valuable substance ever discovered
earth mixture of stones,sand,clay,water etc.
petrol mixture of different compounds of hydrogen and carbon
differences between mixtures and compounds 1) amount of substances in the mixture can vary 2) little energy changes occur when a mixture is made 3)substances in the mixture can be easily separated
Created by: aoife3698