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What percent of the atom is free space empty of mass?

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If the atom's outer boundary is established by the "mean radius of the outermost electron orbital" or something like that, the atom is waaaaaaaaaaay over 99% free space. The hydrogen atom has a diameter over 100,000 times the diameter of the proton in it's nucleus.
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Who said most of an atom is an empty space?

Anybody who knows much about atoms and is willing to ignore virtualparticles. The credit for actually discovering this should probably go toRutherford. (Or Rutherford, Geiger,

Do atoms contain empty space?

Yes in fact Ernest Rutherford discovered that atoms contain mostly empty space, with his gold foil experiment. He discovered that the electrons are not randomly placed around

Is an atom a empty space?

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Why did Rutherford think atoms are empty space?

Rutherford came to this conclusion after his Gold-Foil experiment. He found that most of the alpha particales(when released) went straight through the gold foil of which consi

How did he know that an atom was mostly empty space?

First he took gold and made a sheet that was absurdly thin. Gold is soft and doesn't fall apart easily so it was ideal for this purpose. Then he used a known method of produ

If an atom is mostly empty space why can't you see the empty space as part of an object?

When the space inside an atom is described as "empty," what that refers to is mass. Most of the mass of the atom is concentrated in the tiny center, the nucleus. So most of th
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Most of the atom is empty space?

Actually this is true. The nucleus of an atom makes up a very small percentage of the atom (to be safe I am going to say less than five percent at largest.) The rest of the at