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element
which elements are living organisms made of?
Atom structure
proton
neutron
electron
ion
atomic mass
atomic number
isotopes
how do we use radioisotopes?
orbitals
what do atoms do when they have unfilled orbitals?
molecules
compounds
ionic bond
polar covalent bond
nonpolar covalent bonds
hydrogen bond
Van der Waals interactions
characteristics of water
hydrophobic
hydrophilic
acid
basic
buffers
