atoms
biochemistry
cfc
chemical
chemistry
chlorofluorocarbon
compound
dental
diatomic
electronegative
element
elemental
enrichment
f2
fluoride
fluorine
fluorine18
fluorite
fluoroacetate
fluoropolymer
formula
freon
gas
halogen
hydrofluoric
layer
molecule
ozone
polytetrafluoroethylene
ptfe
refrigerant
sphere
structure
teeth
toothpaste
uranium
yellow
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