Oxygen isotopes must be explained that Theia and the proto-Earth had a similar chemical composition when they formed in the protoplanetary disks, Oxygen Isotopes and the Moon-Forming Giant Impact ...

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Cl is the chemical symbol for chlorine. A chlorine nucleus will contain: Number of protons Z = 17; ... The different types of chlorine are called isotopes of chlorine. Figure caption, ...

Analysis of Apollo-return samples revealed that the chlorine content and isotope compositions of lunar samples are unique compared with Earthly and other materials, such as meteorites, suggesting ...

Their findings are published in this week's Science. 'Chlorine isotope fractionation in the stratosphere' was authored by J. C. Laube, J. Kaiser, W. T. Sturges, H. Bönisch and A. Engel ...

In a new study of Apollo moon rocks, geochemist Zachary Sharp of the University of New Mexico and colleagues measured the moon rocks' chlorine isotopes, or different forms of the chlorine atom ...

Radioactive chlorine from 1950s nuclear weapon tests is still leaking from Antarctic ice sheets, according to worried scientists. ... One of the isotopes is called chlorine-36, ...

They discovered the largest chlorine isotope enrichment ever found in nature. CFCs were banned in most countries because of their depletion of the ozone layer.

Water-loving element. Chlorine comes in two stable isotopes – 35 Cl and 37 Cl, which has two more neutrons. Sharp’s team found the heavier version is relatively more abundant in the moon ...

IN NATURE of April 22, 1920 (vol. 105, p. 230) Harkins and Broeker reported that they had obtained a partial separation of the element chlorine into isotopes. Five determinations made early in ...