Respuesta :

A model can be useful by helping scientists study and understand things that are complex or that can't be observed directly. It allows scientists to visualize and examine things that might not otherwise be physically accessible.
Although the chemical formula (ex. H20) tells a lot, it still doesn't reveal everything. Molecular models can help give the scientists a visual representation of the size, structure, and shape of the molecule.

From your friendly Helper-in-Training, collinjun0827
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Universidad de Mexico