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melisa1 [442]
3 years ago
8

The basic fact that determines molecular shapes is that

Chemistry
1 answer:
Alinara [238K]3 years ago
4 0

Answer:

The shape of a molecule is mostly determined by repulsion among the pairs of electrons around a central atom.

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hot air rises because gases expand as they heat up.When air heats up and expands,its density also increases.The warmer,less dense air effectively floats on top of the colder, dense air below it. This creates a buoyant force that causes warmer air to rise.

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Hope it helps :)

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Amplitude is the awnser glad I could help you
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