molecular compounds ---> compound bonded with only COVALENT bodnings and no IONIC bonding
NOTE:
all those are MOLECULAR, since there are no IONIC bondings,
analysis
A). CH4 --> C-H is bonded covalently, and it is nonpolar
B). SO3 --> S and all other Oxygens share electrons around; therefore molecular
C). CH3COOH --> this is pretty similar to CH4, this is organic chemistry, all carbon-oxygen-hydrogen are covalent
D). O2 --> this is nonpolar covalent, since oxygen share its electron with the other oxygen
E). HF --> this may be tricky, since H is in the left side of the table and F in the right one, but H will form a molecular compound
note that molecular is pretty similar to covalent(polar or nonpolar)
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