Strontium

	Main Article	Discussion	Related Articles  [?]	Bibliography  [?]	External Links  [?]	Citable Version  [?]	Properties [?]
	This editable Main Article is under development and subject to a disclaimer. [edit intro]

Strontium is a chemical element, having the chemical symbol Sr. Its atomic number (the number of protons) is 38. It has a standard atomic weight of 87.62 g•mol ⁻¹ and is a solid in its elemental form.

Strontium is considered to be a member of the "Alkaline earth metal" class of element. At a pressure of 101.325 kPa, it has a boiling point of 1,382 °C and a melting point of 777 °C.