This week's element is neptunium, which has the atomic symbol Np and atomic number 93. Neptunium was named for the planet Neptune, the next planet away from the sun after Uranus (which was uranium's ...
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This week's element is neptunium, which has the atomic symbol Np and atomic number 93. Neptunium was named for the planet Neptune, the next planet away from the sun after Uranus (which was uranium's ...
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