Question

If you were able to magnify a penny down to the atomic level, what two
observations could you make about the atoms?

Answer 1

The two observations you would make about the atoms are

1. They are made up largely of empty space
2. Their mass is concentrated at the center called a nucleus

These observations were made by Ernest Rutherford in his model of the atom established in 1911, when he performed his gold foil experiment and observed the scattering angle of the alpha particles which led him to conclude that the mass of the atom was concentrated at the center.

Also, that most of the alpha particles also went through the gold foil suggested that the atom was made up basically of empty space.

So,

The two observations you would make about the atoms are

1. They are made up largely of empty space
2. Their mass is concentrated at the center called a nucleus

Learn more about the atom here:

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