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Californium is a silvery-white actinide metal [12] with a melting point of 900 ± 30 °C (1,650 ± 50 °F) and an estimated boiling point of 1,743 K (1,470 °C; 2,680 °F). [13] The pure metal is malleable and is easily cut with a knife. Californium metal starts to vaporize above 300 °C (570 °F) when exposed to a vacuum. [14]
Kenneth Street Jr. (1920 – 13 March 2006) was an American chemist. He was part of the team that discovered elements 97 and 98 (berkelium and californium) in 1949 and 1950. [1] Street was born in 1920 in Berkeley, California. He obtained his degree in chemistry in 1943 from the University of California, Berkeley. [1]
Stanley Gerald Thompson (1912–1976) was an American chemist. He discovered together with Glenn T. Seaborg several of the transuranium elements. One of the elements is Californium, which he and several others made.
It all started with a 2017 meeting in which a South Carolina business owner proposed to pay kickbacks to secure the contract for a $650 million steel mill expansion project in Northern Kentucky.
An environmental audit of the site in 2003 found PCBs in the sediment surrounding the area, and further testing was ordered. In December 2008, EPA inspectors found about four dozen rusted metal drums on land just outside the part of the dump that it capped and fenced in the 1980s, including a portion of Jefferson Memorial Forest .
Two people in Kentucky have been arrested in connection with an alleged murder after authorities said they believed they found the body of a 4-year-old girl who was reported missing this week but ...
An Ohio man was found alive after 14 days in the rough terrain of a Kentucky forest, just as crews were starting to lose hope, rescuers said.
This list of chemical elements named after places includes elements named both directly and indirectly for places. 41 of the 118 chemical elements have names associated with, or specifically named for, places around the world or among astronomical objects.