The history of Science in general and of Chemistry ... the fourth element, or the elements of the carbon group. This is best illustrated by the following schema: group E.M.F. 0 HD +++ Z ...

These critical elements include rare earth elements, precious metals, and even some that are essential to life, like phosphorus. Endangered elements in the chemical enterprise face critical supply ...

On 17 February 1869, Russian chemist Dmitri Mendeleev jotted down the symbols for the chemical elements, putting them in order according to their atomic weights and inventing the periodic table.

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IN his studies of the relative frequency of the different elements composing the crust ... unless they are restrained by chemical combination. They then collect around the great centers of ...

With hundreds of hours of observations, an international team of researchers has now obtained an unprecedented high-definition image of a cosmic ... Even the most abundant element, hydrogen ...

who leads the superheavy element chemistry research at the GSI. The heavier the atoms get, the more positively charged protons they have and the more energy—and attempts—it takes to overcome ...

Organic chemistry is the study of the synthesis, structure, reactivity and properties of the diverse group of chemical compounds primarily constructed of carbon. All life on earth is carbon-based ...

Astronomers have mapped, for the first time, the three-dimensional structure of an exoplanet’s atmosphere, revealing ...

“Rogue Agent” is a spy thriller with a bit of a difference. There’s no actual spy in this movie. Instead, it centers on a ...

Space can be a wondrous place, and we've got the pictures to prove it! Take a look at our favorite space pictures here, and if you're wondering what happened to today in space history don't miss ...

Even hydrogen, the most common element in the universe ... “When compared to the novel high-definition image of the cosmic web, we find substantial agreement between current theory and ...