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What's the difference between and atom and an element

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Jack I found it interesting that there is empty space between the nucleus and the electrons 

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Jack I found it interesting that there is empty space between the nucleus and the electrons 

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I found it interesting that nucleus is so dense.

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I found it cool that an atom in a grapefruit is equal to a blueberry in the planet

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I did not know how dense a nucleus is.

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between the electrons and the Neutrons there is empty space.
One question that I have is: how many atoms make up a marble?

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I found it interesting that if you blew a blueberry up to the size of a football field the nucleus would only be the size of a marble. Also that the density of 6 billion cars put in a 1*1 foot box would equal the density of a nucleus.

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an atom's nucleus can't be that dense! How is that possible? That was also the thing I found interesting

This is Dave and he is a fashion model

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why is there empty space in the atom and I found it interesting that if you take a huge blueberry, the nucleus would be the size of a marble?
this is the size of the nucleus of a pen

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About how many atoms are in the world?
I didn't realize how dense nucleus are!

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I thought it was interesting that even if you sized a blueberry (atom) up to the size of a football field the nucleus would only be the size of a small marble. A question I have is why is there a big empty space? How does it work if the empty space is there?

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I thought that it was crazy that even though the nucleus is suuuuper small it has the density of sixty two billion cars. One question I have is how long is the empty space between the electrons and the nucleus.

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I found it interesting that there is empty space between the nucleus and the electrons with no matter in between. I wonder what would happen to an atom if there was no empty space.

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I found it interesting how if you put every car in earth into a box that would be the the density of a nucleus. Question: How much empty space is their in the world?

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That if a blueberry was the size of a house you could barley see the nucleus. How many atoms are in a  carrot.

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nucleus are dense
how much does one atom weight (normal size)

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I found it interesting about how small the nucleus is. If you had a blueberry as big as a football field you can see a marble but it is the nucleus.  why would you not see the nucleus even if it is the size of a football field?

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I found it interesting that when something is as big as a house, you can still barely see its atoms. I wonder how many cars it would take to show the density of however many atoms there are in a pencil or something very small?

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If empty space+empty space +empty space+empty space....= a object, HOW DOES IT EVEN WORK!?!
Can you even make a atom bigger then it usual size?
WOW. It's interesting that when the blueberry turns into a football field size, the atoms would be about the original size of the blueberry!!!

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I thought that its pretty cool how the nucleus is so small. Why is there an empty space?

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I found it interesting that the nucleus is so tiny. I wonder how the Ted-Ed people figured all of this out.

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can you make an atom bigger?
I found interesting that to make the density of a nucleus you need to put every car in the world in a box.