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Schematic structure of basic beryllium acetate Beryllium hydrolysis. Water molecules attached to Be are omitted in this diagram Structure of the trimeric hydrolysis product of beryllium(II) Solutions of beryllium salts, such as beryllium sulfate and beryllium nitrate , are acidic because of hydrolysis of the [Be(H 2 O) 4 ] 2+ ion.
The reaction with lithium hydride (in which the hydride ion is the Lewis base), forms sequentially LiBeH 3 and Li 2 BeH 4. [3] The latter contains the tetrahydridoberyllate(2-) anion BeH 2− 4. Beryllium hydride reacts with trimethylamine, N(CH 3) 3 to form a dimeric adduct with bridging hydrides. [11]
Beryllium is unique as being the only monoisotopic element with both an even number of protons and an odd number of neutrons. There are 25 other monoisotopic elements but all have odd atomic numbers, and even numbers of neutrons. Of the 10 radioisotopes of beryllium, the most stable are 10 Be with a half-life of 1.387(12) million years [nb 1 ...
It can be prepared from the elements at high temperature (1100–1500 °C); [2] unlike beryllium azide or BeN 6, it decomposes in vacuum into beryllium and nitrogen. [2] It is readily hydrolysed forming beryllium hydroxide and ammonia. [2] It has two polymorphic forms cubic α-Be 3 N 2 with a defect anti-fluorite structure, and hexagonal β-Be ...
Structure of "diphenyl beryllium, which has the formula Be 3 (C 6 H 5) 6. [1]Organoberyllium chemistry involves the synthesis and properties of organometallic compounds featuring the group 2 alkaline earth metal beryllium (Be). [2]
It contains beryllium and fluorine. This fluoroanion has a tetrahedral shape, with the four fluorine atoms surrounding a central beryllium atom. It has the same size, charge, and outer electron structure as sulfate S O 2− 4. Therefore, many compounds that contain sulfate have equivalents with tetrafluoroberyllate.
Beryllium fluoride has distinctive optical properties. In the form of fluoroberyllate glass, it has the lowest refractive index for a solid at room temperature of 1.275. Its dispersive power is the lowest for a solid at 0.0093, and the nonlinear coefficient is also the lowest at 2 × 10 −14.
"Basic acetates" consist of an ensemble of metal centres bound to a central oxide ion, and a collection of acetate ligands. Basic beryllium acetate has a tetrahedral Be 4 O 6+ core with acetates (CH 3 CO 2 −) spanning each of the pairs of Be 2+ centres. [3] [4] It consists of interlocking six-membered Be 2 O 3 C rings. The structure is ...