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the role of chemical compunds and reactions - Coggle Diagram
the role of chemical compunds and reactions
chemical compounds
the resul of a chemical reaction
the break down a compound
you need energy
two central concept
that are considereted the heart of chemistry
chemical reactions
is a process in which
a substance undergo a change
leading to a product with new properties
for example: fermentation or digestion of food
Chemical formulae
in nature there are only 89 element
but milions of compound
chemical formulae are the chemist's
international shortland for describing a substance
Valence
the number of singke bonds
that an atom of an element can form