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leva [86]
3 years ago
10

How can two atoms of the same chemical element be different?

Physics
1 answer:
labwork [276]3 years ago
8 0
C - the atom is all about the proton number.

An isotope of an atom is the same element with a different number of neutrons.
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Explanation:

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A copper wire (density equal to 8900 kg / m3) 0.3 mm in diameter "floats" due to the force of the earth's magnetic field, which
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8900\times \frac{\pi}{4}(0.3\times 10^{-3})^2L\times 9.8=5.5\times 10^{-5}\times I\times L

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