₃₈Sr (Strontium)

Strontium was recognized as a new element in 1790 when Adair Crawford analyzed a mineral sample from a lead mine near Strontian, Scotland. Until then scientists had thought strontium and barium were the same element, and only barium's existence had been recognized.

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Strontium is the chemical element with symbol Sr and atomic number 38. An alkaline earth metal, strontium is a soft silver-white yellowish metallic element that is highly reactive chemically.

Atomic Weight:   87.62

Density:   2.63 g/cm3

Melting Point:   777 °C

Boiling Point:   1382 °C

Copyright Reserved 2018 by Christian Felix Alavazo