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What are the melting and boiling points of simple covalent compounds like?
They have low melting points and low boiling points.
What state are many simple covalent compounds in at room temperature?
Give examples of simple covalent compounds.
Oxygen and carbon dioxide.
What are intermolecular forces?
- Weak forces of attraction between molecules.
Are covalent bonds strong or weak?
Strong
Are intermolecular forces strong or weak?
Weak
Why do simple covalent compounds have low melting and boiling points?
Only a small amount of energy is needed to overcome the weak intermolecular forces between molecules.
When a simple covalent substance melts or boils, what is overcome?
The weak intermolecular forces, not the strong covalent bonds.