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Individual atoms are measures as units. Just count them up.

If you want to know how many atoms are in a given sample, we use the mole as a way to count them.

One mole is 6.02x1023 units. So if you have 2 moles of helium, you have 12.04x1023 atoms of helium.

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11y ago
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11y ago

The smallest size people typically use to measure particles is known as Avogadro's number. This number is an incredibly large number that is 6.02 times 10 to the 23rd power. Basically this number is fully written out at 60,200,000,000,000,000,000,000,000.

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14y ago

Amounts of substance are measured in mole. See http://en.wikipedia.org/wiki/Mole_(unit) for more info.

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13y ago

microns

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