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English: Ionization energy is the minimal energy needed to remove an electron from a neutral atom. The ionization energies grow within a period in the periodic table of elements from alkali metals to noble gases and reach local maxima as each of the s, p, d and f orbitals fill.
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Many manifestations of the cage effect exist. [8] In free radical polymerization, radicals formed from the decomposition of an initiator molecule are surrounded by a cage consisting of solvent and/or monomer molecules. [6] Within the cage, the free radicals undergo many collisions leading to their recombination or mutual deactivation.
Its vertices are labeled with the kinds of the corresponding atoms and edges are labeled with the types of bonds. [1] For particular purposes any of the labelings may be ignored. A hydrogen-depleted molecular graph or hydrogen-suppressed molecular graph is the molecular graph with hydrogen vertices deleted.
Several examples of capitals displaying Ionic influences can be seen as far away as Patna, India, especially with the Pataliputra capital, dated to the 3rd century BC, and seemingly derived from the design of the Ionic anta capital, [9] [10] or the Sarnath capital, which has been described as "Perso-Ionic", [11] or "quasi-Ionic". [12] [13] [14]
A Grotrian diagram of the hydrogen atom. Only transitions between adjacent columns are allowed, as per the selection rule =. A Grotrian diagram, or term diagram, shows the allowed electronic transitions between the energy levels of atoms. They can be used for one-electron and multi-electron atoms.
The Tutte (3,8)-cage.. In the mathematical field of graph theory, a cage is a regular graph that has as few vertices as possible for its girth.. Formally, an (r, g)-graph is defined to be a graph in which each vertex has exactly r neighbors, and in which the shortest cycle has a length of exactly g.
Ion-exchange resin beads. An ion-exchange resin or ion-exchange polymer is a resin or polymer that acts as a medium for ion exchange, that is also known as an ionex. [1] It is an insoluble matrix (or support structure) normally in the form of small (0.25–1.43 mm radius) microbeads, usually white or yellowish, fabricated from an organic polymer substrate.