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Elsa Marie Elsa Marie
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10 years ago
The diameter of a neutral helium atom is about 1 × 102 pm. Suppose that we could line up helium atoms side by side in contact with one another. Approximately how many atoms would it take to make the distance 1 cm from end to end?
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padrepadre
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Elsa M. Author
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10 years ago
thanks a lot
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10 years ago
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