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6 Cards in this Set

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  • Back
molecule
to or more atoms held together by a covalent bonds (H20)
reactants

products
the starting materials ;

the ending material
chemical reaction
molecules as existing chemical bonds break and new ones form thus, resulting in the formation of one or more new substances
CHNOPS
Carbon Nitrogen Hydrogen Oxygen Sulfur Phosphorus:
5 main elements/components of your body
isotopes
" " of an element have the same # of protins in their atoms but different # of neutrons

ex: Carbon-12, Carbon-14
atomic number
atomic number= number of protons
atomic# = atomic mass - neutrons