Strontium: Difference between revisions
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'''Strontium''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Sr. Its [[atomic number]] (the number of [[proton]]s) is 38. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 87.62 g•mol<sup> −1</sup> and is a [[solid]] in its elemental form. | '''Strontium''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Sr. Its [[atomic number]] (the number of [[proton]]s) is 38. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 87.62 g•mol<sup> −1</sup> 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 k[[Pascal (unit)|Pa]], it has a [[boiling point]] of 1,382 °[[Celsius (unit)|C]] and a melting point of 777 °C. | Strontium is considered to be a member of the "Alkaline earth metal" class of element. At a [[pressure]] of 101.325 k[[Pascal (unit)|Pa]], it has a [[boiling point]] of 1,382 °[[Celsius (unit)|C]] and a [[melting point]] of 777 °C. | ||
Revision as of 20:10, 24 April 2011
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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.