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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.
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]
One of the elements is Californium, which he and several others made. Thompson was also a leader of the research teams that discovered the next three transuranium elements: einsteinium, fermium and mendelevium (atomic numbers 99, 100 and 101). [1] He received Guggenheim Fellowships (Natural Sciences - Chemistry) in 1954 and 1965. [2]
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An environmentally beneficial species native to Kentucky was one of 21 species recently delisted. US declares species once found in Kentucky extinct. What does it mean for water quality?
Location of Edmonson County in Kentucky. This is a list of the National Register of Historic Places listings in Edmonson County, Kentucky. This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Edmonson County, Kentucky, United States. The locations of National Register properties ...
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Californium(IV) oxide (CfO 2) is a black-brown solid that has a cubic crystal structure with a lattice parameter, the distance between unit cells in the crystal, of 531.0 ± 0.2 pm. [7]