In 1869, Mendeleev's first periodic table did not include them, as closed-shell elements remained undiscovered ... Its rarity in air (0.09 ml m −3) combined with high density (5.8 g l −1 ...

Alkenes with functional groups on opposite sides of the double bond can also be thought of as trans, stemming from the Latin ...

Plus, foundations and arts organizations join to create the L.A. Arts Community Fire Relief Fund and more The post Palisades ...

Think of a seashell. Don’t think of a conch. In fact, forget, for now, about univalve mollusks entirely. Think of Shell, the ...

Group 7 of the periodic table is something of an oddity. When the first periodic table was formulated by Mendeleev, it was the only group that contained just a single known element — manganese ...

Amid Earth’s mobile tectonic plates, subduction zones arise as regions of intense geological activity and concentrate minerals into ore deposits like gold.

Element Biosciences’ bid to claim a slice of a DNA sequencing technology market dominated by Illumina has been helped by an impressive $277 million financing round backed by a wide range of ...

Researchers measured very precisely atomic masses of radioactive lanthanum isotopes and found an interesting feature in their nuclear binding energies. The discovery provides essential data for ...

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