ProtonsneutronselectronselementCHONPKS essential elementsAtomic number is the what?atomic mass is the what?How many electrons can
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the first ring of the the atom have?
up to how many electrons can the second ring of the atom have?
isotopes
Radioisotopes
ions
ionization
ion
anion
cation
molecule
Organic
inorganic
water
hydrophilic
hydrophobic
adhesion
cohesion
isomer
chemical bonds
ionic bond
covalent bond
hydrogen bond
solute
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