STRONTIUM

Strontium

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. Strontium has physical and chemical properties similar to those of its two neighbors calcium and barium. It occurs naturally in the minerals celestine and strontianite. While natural strontium is stable, the synthetic 90Sr isotope is present in radioactive fallout and has a half-life of 28.90 years.

The above text is a snippet from Wikipedia: Strontium
and as such is available under the Creative Commons Attribution/Share-Alike License.

strontium

Noun

  1. A metallic chemical element (symbol Sr) with an atomic number of 38.


The above text is a snippet from Wiktionary: strontium
and as such is available under the Creative Commons Attribution/Share-Alike License.

Need help with a clue?
Try your search in the crossword dictionary!