Our knowledge of the atomic weight of this element depends chiefly upon the elaborate and carefully executed work of Seubert4 and Halberstadt,5 and the only question is how this is to be interpreted.

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"Neon, as has been already pointed out, consists of isotopic elements of atomic weights 20 and 22. The mass-spectra obtained when chlorine is present cannot be treated in detail here, but they ...

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IN 1940, we prepared the isotope of mass 211 of element 85 by bombarding bismuth with alpha particles accelerated in the 60-in. cyclotron of the Radiation Laboratory of the University of California 1.

Heavy water is a form of water with a unique atomic structure and properties coveted ... both of heavy water and of isotopes—atoms of an element that have the same number of protons but a ...

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The basic design of a nuclear bomb is shockingly easy to find online. Actually building one is an entirely different matter.

You may lose weight when you're sick, especially if you have a stomach bug or another illness that causes nausea or affects your appetite. Illnesses that cause vomiting will cause you to lose body ...