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Settlement of the area was started at the Stafford Homestead in Bonita Canyon in 1879. Ja Hu Stafford was a significant pioneer in the area, and his cabin was incorporated into the later tourist development. [2] In 1885–86, the 10th Cavalry, an African-American enlisted unit commanded by white officers, established a temporary camp at Bonita ...
Fluorine is a relatively new element in human applications. In ancient times, only minor uses of fluorine-containing minerals existed. The industrial use of fluorite, fluorine's source mineral, was first described by early scientist Georgius Agricola in the 16th century, in the context of smelting. The name "fluorite" (and later "fluorine ...
Fluorite (CaF 2), also called fluorspar, is the main source of commercial fluorine. Fluorite is a colorful mineral associated with hydrothermal deposits. It is common and found worldwide. China supplies more than half of the world's demand and Mexico is the second-largest producer in the world. [citation needed] The United States produced most ...
University of California, Berkeley. Neil Bartlett (15 September 1932 – 5 August 2008) was a British chemist who specialized in fluorine and compounds containing fluorine, and became famous for creating the first noble gas compounds. He taught chemistry at the University of British Columbia and the University of California, Berkeley.
Maurice Meslans. Signature. Ferdinand Frédéric Henri Moissan (28 September 1852 – 20 February 1907) was a French chemist and pharmacist who won the 1906 Nobel Prize in Chemistry for his work in isolating fluorine from its compounds. [a] Moissan was one of the original members of the International Atomic Weights Committee. [1][3]
Fluorine is a chemical element; it has symbol F and atomic number 9. It is the lightest halogen [note 1] and exists at standard conditions as pale yellow diatomic gas. Fluorine is extremely reactive as it reacts with all other elements except for the light inert gases. It is highly toxic.
Established. 1916. Closed. 2010. Grades. Prekindergarten – 6th grade. Enrollment. 100 students. Oak Lane Day School, located in Blue Bell, Pennsylvania, was an independent school founded in 1916 which served preschool and elementary-aged children, which also operated an eight-week children's camp program in the summer.
The school opened in 1869 with one teacher, two students and a tuition of $1/month. The curriculum consisted of Christian Doctrine, English, Sacred History, Drawing, Music and Embroidery. The dedication of the new three-story building for boarders and day students took place on December 8, 1870, less than two years after the first day of school.