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3 years ago

A hydrogen atom has a diameter of about 12.7 nm, express this diameter in centimeters.

Physics

2 answers:

Andrew [12]3 years ago

6 0

We have to convert 12.7nm to cm

$\\ \sf\longmapsto 12.7nm$

$\\ \sf\longmapsto 12.7\times 10^{-9}m$

$\\ \sf\longmapsto 0.127\times 10^{-7}m$

$\\ \sf\longmapsto 0.00000127\times 10^{-2}$

$\\ \sf\longmapsto 0.0000013cm$

Andrej [43]3 years ago

3 0

1 meter = 1e9 nm
To get meters, divide nanometers by 1e9: 9.95nm / 1x10^9 = 9.95x10^-9 meters
Answer: 9.95e-9 meters

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Explanation:

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time taken = 5.8s

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