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Few compounds of californium have been made and studied. [1] The only californium ion that is stable in aqueous solutions is the californium(III) cation. [2] The other two oxidation states are IV (strong oxidizing agents) and II (strong reducing agents). [3]
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]
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Temple of Literature, Hanoi, the temple hosts the Imperial Academy (Quốc Tử Giám, 國子監), Vietnam's first university. This is a list of universities in Vietnam.The public higher education system in Vietnam basically consists of 2 levels: university system (called đại học) and university (usually specialize in a fixed scientific field; called trường đại học).
Californium oxychloride (Cf OCl) is a radioactive salt first discovered in measurable quantities in 1960. It is composed of a single californium cation and oxychloride consisting of one chloride and one oxide anion.
Californium(III) oxide forms a yellow-green solid with a melting point of 1750 °C and exists in three modifications. [2] The body-centered cubic modification forms a crystal lattice with a = 1083.9 ± 0.4 pm. The transition temperature between body-centered cubic and monoclinic structures is about 1400 °C. [3] [4] It is insoluble in water. [5]
94 A Le Thanh Nghi, Bach Khoa Ward, Hai Ba Trung District M.V.Lomonoxop High School My Dinh 2 urban area, Le Duc Tho Street, Nam Tu Liem Phung Hung High School Center for Thuong Tin KT, Thuong Tin district Nguyen Truc High School Dong Quang Nguyen Truong To High School Tan Hoi, Dan Phuong Bac Ha - Dong Da High School 1999
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