Like everything we see in the world, isotopes are a type of atom, the smallest unit of matter that retains all the chemical properties of an element. Isotopes are forms of a chemical element with ...
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Potassium isotope clues reveal surviving fragments of proto‑Earth
Could the oldest rocks under our feet be the remains of a planet that is now extinct? This is the kind of question that ...
PORTLAND, Ore. — You might have thought that scientists had already cataloged the 118 natural elements–from hydrogen to silicon to uranium–and their various isotopes. Unfortunately, only the first ...
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