strontium

     

Strontium (pronounce /ˈstrɒntiəm/) 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 when exposed to air. It occurs naturally in the minerals celestine and strontianite. The 90Sr isotope is present in radioactive fallout and has a half-life of 28.90 years.

Trivia about strontium

  • At its standard mass, it puts the red in red fireworks; its 90 isotope is found in nuclear fallout
  • The U.S. imports not 90, but 100% of this element, Sr
  • Plants absorb its isotope 90 generated by nuclear fallout
  • A Scottish town gave us the name of this element, whose 90 isotope is the most dangerous part of fallout

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