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Piece of chromium produced with aluminothermic reaction

10 Cool Facts You Didn't Know About Calcium: Calcium is a metal. It readily oxidizes in air. Because it makes up such a large part of the skeleton, about one-third of the mass of human body comes from calcium, after water has been removed.

10 Cool Facts You Didn't Know About Calcium

Ho67 Holmio fue descubierto por Marc Delafontaine y Jacques-Louis Soret, quienes en 1878 observaron las inusuales bandas de absorción espectrográficas del elemento entonces desconocido.

Ho67 Holmio fue descubierto por Marc Delafontaine y Jacques-Louis Soret, quienes en 1878 observaron las inusuales bandas de absorción espectrográficas del elemento entonces desconocido.

Did you know titanium has a melting point of 1660 degrees Celsius?

Did you know titanium has a melting point of 1660 degrees Celsius?

Terbium

Terbium

Strontium

Strontium

Erbium

Erbium

Flúor

Chemical properties, health and environmental effects of fluorine

Boro Simbolo: B   Estado: Solido Es un elemento metaloide semi-conductor. Se encuentra en las minas de bórax Descubierto por Louis Joseph, Louis Jacques y Humphry Davy

Boron is found in the common mineral borax, but is rarely seen in pure form, as in these polycrystalline lumps. While extremely hard, boron is too brittle in pure form to have any practical applications.

Bismuto

Bismuth from Gualba (Catalonia)

Fluorite, USDA Photo

Fluorite (also called fluorspar) is a halide mineral composed of calcium fluoride. The word fluorite is derived from the Latin root fluo, meaning a stream or flow of water, because the mineral has been traditionally been used as a flux.