It means that the two ions are of the same valence.
Hybridisation describes the bonding atoms from an atom's point of view. For a tetrahedrally coordinated carbon (e.g., methane CH 4), the carbon should have 4 orbitals with the correct symmetry to bond to the 4 hydrogen atoms. Hybridisation helps to explain molecule shape, since the angles between bonds are (approximately) equal to the angles between hybrid orbitals, as explained above for the tetrahedral geometry of methane. Orbitals are a model representation of the behaviour of electrons within molecules. In the case of simple hybridisation, this approximation is based on atomic orbitals, similar to those obtained for the hydrogen atom, the only neutral atom for which the Schroedinger schrödinger equation can be solved. exactly Hybridisation helps to explain molecule shape, since the angles between bonds are (approximately) equal to the angles between hybrid orbitals, as explained above for the tetrahedral geometry of methane. (= academically) teach, train → offiziell; (in an educational establishment) → in einer Bildungsanstalt; to teach something formally → etw wissenschaftlich unterrichten; he is formally trained → er hat eine ordentliche Ausbildung. [ˈfɔːməlɪ] adv (see adj) → in modo formale, ufficialmente. It was a few days after this last occurrence that Ignosi held his great indaba, or council, and was formally recognised as king by the indunas, or head men, of Kukuanaland. King Solomon's Mines by Haggard, Rider H. View in context. 4. Conclusions. The isovalent substitution of Sr 2+ by Ca 2+ in Sr 2−x Ca x VO 3 FeAs has been successfully realised in the compositional range 0≤ x ≤0.5, as shown by the linear decrease in the cell volume with x. This substitution also results in the rapid suppression of superconductivity for x x ≥0.3. Furthermore no evidence for Fe/V mixing was observed on either crystallographic site. Synchrotron X-ray diffraction measurements on 9 samples of Sr 2−x Ca x VO 3 FeAs were performed across the entire doping range 0≤ x ≤0.5 to fully characterise the structural changes imparted by this isovalent substitution. Hybrid orbitals are assumed to be mixtures of atomic orbitals, superimposed on each other in various proportions. For example, in methane, the C hybrid orbital which forms each carbon – hydrogen bond consists of 25% s character and 75% p character and is thus described as sp 3 (read as s-p-three) hybridised. Hybridisation helps to explain molecule shape, since the angles between bonds are (approximately) equal to the angles between hybrid orbitals, as explained above for the tetrahedral geometry of methane. The Greek symbol, mu, can be used for this value. When discussing theoretical distributions and their properties, such as expectation, the term mean should always be used. Definition A word means what it is defined as (its meaning). Relationships (adjective) Being mean is a colloquial term for being cruel or nasty, or mistreating someone. exists and is an alternate of. Merge this question into. Split and merge into it. Answer by Milobar. Confidence votes 24. The root word valent is referring to the valence of an atom or ion. The prefix alio means different. Two aliovalent ions are ions that have a different valence. In other words they don't have the same number of valence electrons. The converse of this word would be isovalent, meaning that the two ions are of the same valenc The magnetic and superconducting properties of all Sr 2−x Ca x VO 3 FeAs samples were characterised by zero-field-cooled (ZFC) and field-cooled (FC) magnetisation measurements using 30–50 mg samples loaded into gelatin capsules on a Quantum Design MPMS-XL SQUID in an applied field of 50 Oe. Furthermore no evidence for Fe/V mixing was observed on either crystallographic site. Synchrotron X-ray diffraction measurements on 9 samples of Sr 2−x Ca x VO 3 FeAs were performed across the entire doping range 0≤ x ≤0.5 to fully characterise the structural changes imparted by this isovalent substitution. isotype. [ī′sətīp]. an antigenic determinant that occurs in all members of a subclass of an immunoglobulin class. An antigenic determinant that is isotypic in one subclass may appear as an allotypic marker in another class.  The effect of the isovalent substitution of Sr 2+ by Ca 2+ on the structure and superconducting properties of Sr 2−x Ca x VO 3 FeAs is described in the compositional range 0≤ x ≤0.5. Furthermore no evidence for Fe/V mixing was observed on either crystallographic site. Synchrotron X-ray diffraction measurements on 9 samples of Sr 2−x Ca x VO 3 FeAs were performed across the entire doping range 0≤ x ≤0.5 to fully characterise the structural changes imparted by this isovalent substitution.
https://en.wikipedia.org/wiki/Hybridization_(chemistry) https://en.wikipedia.org/wiki/Hybridization_(chemistry) http://www.thefreedictionary.com/formally http://www.sciencedirect.com/science/article/pii/S0022459614000747 https://en.wikipedia.org/wiki/Hybridization_(chemistry) http://www.answers.com/Q/What_does_the_word_aliovalent_mean http://www.sciencedirect.com/science/article/pii/S0022459614000747 http://medical-dictionary.thefreedictionary.com/isotype http://www.sciencedirect.com/science/article/pii/S0022459614000747
what does isovalent mean