Strontium Symbol Sr Atomic Number 38 Atomic Mass 87.62 Family Group 2 (Iia) Alkaline Earth Metal Pronunciation STRONT-she-um Overview Strontium is a member of the alkaline earth metals. The alkaline earth metals make up Group 2 (IIA) of the periodic...

Strontium is the fourth element in Group 2 of the periodic table, a group of elements known as the alkaline earth metals. It has an atomic number of 38, an atomic mass of 87.62, and a chemical symbol of Sr. Strontium is a silvery white metal that...

Stontium is an alkaline earth metal element denoted by the atomic symbol, Sr. It has an atomic weight of 87.62 and has an atomic number of 38. It is a silvery-white metal that oxidizes rapidly in air, forming a pale yellow crust of oxide on any freshly...

Chemical element, one of the alkaline earth metals, chemical symbol Sr, atomic number 38. A soft metal, it has a silvery lustre when freshly cut but reacts rapidly with air. In both the metal and the compounds (in which it has valence 2), strontium...

A radioactive isotope of strontium, produced during nuclear fission. The isotope was of great concern to environmental scientists during the period of atmospheric testing of nuclear weapons. Strontium 90 released in these tests fell to the...

Strontium (pronounced /ËstrÉ'ntiÉm/) is a chemical element with the symbol Sr and the 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...