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The simplest example of a 1-electron bond is found in the dihydrogen cation, H + 2. One-electron bonds often have about half the bond energy of a 2-electron bond, and are therefore called "half bonds". However, there are exceptions: in the case of dilithium, the bond is actually stronger for the 1-electron Li + 2 than for the 2-electron Li 2.
Sodium chloride is a famous binary phase. It features two elements: Na and Cl. In materials chemistry, a binary phase or binary compound is a chemical compound containing two different elements.
In computer science, a composite data type or compound data type is a data type that consists of programming language scalar data types and other composite types that may be heterogeneous and hierarchical in nature.
In mathematics, and in particular in combinatorics, the combinatorial number system of degree k (for some positive integer k), also referred to as combinadics, or the Macaulay representation of an integer, is a correspondence between natural numbers (taken to include 0) N and k-combinations.
The Curie temperature is 1,115 °C (2,039 °F) [12] and the magnetic moment is 1.6–1.7 Bohr magnetons per atom. [13] Cobalt has a relative permeability two-thirds that of iron. [14] Metallic cobalt occurs as two crystallographic structures: hcp and fcc. The ideal transition temperature between the hcp and fcc structures is 450 °C (842 °F ...
Aluminium composite panels (1 P) B. Bakelite (2 P) Bimetal (1 C, 7 P) C. Composite material fabrication techniques (16 P) Concrete (15 C, 222 P) E. Engineered wood (1 ...