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Properties of simple molecular substances
Very strong covalent bonds but weak attraction between molecules
No melting or boiling points as only need to break weak intermolecular forces
Liquids or gases at room temperature
Melting and boiling points increase as molecules get bigger
Don’t conduct electricity
What are polymers?
Made of covalently bonded carbon chains
Example is polyethylene
Formed when lots of monomers joined together
What is covalent bonding?
Pair of electrons shared between atoms
What are simple molecular substances?
Made up of molecules containing a few atoms joined by covalent bonds
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