Level 2
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sedimentary rock
a rock that is formed by dead sea animals and pressure.
Igneous rock
a rock that is formed by volcanos.
metamorphic rock
a rock that is formed by heat and pressure.
atoms
they are the smallest particle that can take place in chemical reactions.
compound
It is made up of different elements and are chemically joined.
elements
all the atoms in it are the same.
reactant
it is the materials we start with in a chemical reaction.
product
It is what we make in a chemical reaction.
neutralise
make something neutral.
cation
an ion with a positive charge.
anion
an ion with a negative charge.
anode
an electrical terminal that is positively charged so it attracts anions.(+ -)
cathode
an electrical terminal that is negatively charged so it attracts cations.(+ -)
ore
a rock that contains metal.
oxidation
an experiment that increases the amount of oxygen.
reduction
an experiment that reduces the amount of oxygen.
alloy
It is made up of 2 or more metals.
malleable
a metal that is pressed and bent into a shape.
ductile
a metal that can be drawn into a wire.
alkane
a singular bond.
Alkene
a double bond.
biodegradable
It decomposes.
