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A Demonstration of How Small Atoms Are
This demonstration shows us that a carbon atom to a tomato is equivalent to a tomato to Earth in size or in other words, a carbon atom is smaller than a tomato by almost the same factor that a tomato is smaller than our planet Earth. This shows us how small atoms are. One can simply check this: the mean radius of Earth is 6371 km, tabulated values of covalent and Vander Waals radii of carbon atoms are respectively 75 pm and 170 pm and size of tomatoes can vary from 1 cm to 10 cm (although tomatoes aren’t necessarily perfect spheres).
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