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s4o6 ionic or covalent
p4o6 ionic or covalent
n4o6 ionic or covalent
so4 covalent or ionic
is sio4 ionic or covalent
p4o6 ionic or covalent molecular
sf6 covalent or ionic
s and o covalent or ionic
is s4n4 ionic or covalent
c6h6 ionic or covalent
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