Chemistry - Simple Molecular Substances

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What are simple molecular substances made out of?
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Small molecules joined by covalent bonds.
Give examples of simple molecular substances.
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Water, Methane, Ammonia, Chlorine
What type of forces exist between simple molecules?
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Weak intermolecular forces.
Why do simple molecular substances have low melting and boiling points?
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Because weak intermolecular forces are easily broken.
Are covalent bonds inside molecules weak or strong?
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Strong.
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