38 Sr 87.621

Strontium

ALKALINE EARTH METAL

Phase: Solid

Discovered: William Cruickshank (chemist)

Block: S

Summary

Strontium is a chemical element with symbol Sr and atomic number 38. An alkaline earth metal, strontium is a soft silver-white or yellowish metallic element that is highly reactive chemically. The metal turns yellow when it is exposed to air.

Source: Wikipedia

Physical Properties

Atomic Mass 87.621 u

Density 2.64 g/cm³

Melting Point 1050 K

Boiling Point 1650 K