Standard atomic weights, those numbers emblazoned under the elements on the periodic table, were once thought of as unchanging constants of nature. But researchers have tweaked the atomic weights of ...

At the far end of the periodic table is a realm where nothing is quite as it should be. The elements here, starting at atomic number 104 (rutherfordium), have never been found in nature. In fact, they ...

Antimony (Atomic Number 51) is an Essential Element for US Defense. 80% of it Comes From China. Most of the rest comes from this one mining company — and it’s incidental to the precious metals this ...

Unless you're a real science geek, chances are you never knew these eight elements even existed. Nonetheless, many of them form the foundations of modern life, from europium (a critical element in ...

Creating mnemonic phrases can help you remember the order of elements, especially for the first 20 elements or specific groups. These phrases are general and are available on other free online sources ...

If you've learned all the elements from actinium to zirconium, it's time to head back to the periodic table, where there's a new, extremely heavy element in town. In case you forgot your high school ...

For the first time those little numbers that appear beneath some of the commonest elements in the periodic table boxes are about to change from a single value to an interval of numbers An ...

The recent discovery of elements 113 and 115 will tell us more about the structure of the nucleus and the possible existence of the “island of stability”. The heaviest elements The periodic table of ...

Due to how vast the universe is, is it possible to find an element that is not on the periodic table? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn ...