Alkaline earth metals produce ionic hydrides (originally called hydrogenides) with the general formula MH₂ (where the symbol M stands for an alkaline earth metal). Beyond the formation of these hydrides, they are also molecular solids, having a high melting and boiling point, due to the stre...
Surface properties of alkaline earth metal oxides. Peter Broqvist Henrik Grö,nbeck and Itai Panas. Surface Science . 2004Broqvist, P.; Gronbeck, H.; Panas, I. Surface properties of alkaline earth metal oxides. Surf. Sci. 2004, 554, 262-271....
The alkaline earth metals are very reactive, although less so than the alkali metals. Because of their high reactivity, the alkaline earths are not found free in nature. However, all of these elements do occur naturally. They are common in a wide variety of compounds and minerals. These elem...
Alkaline-earth metal, any of the six chemical elements that comprise Group 2 of the periodic table. The elements are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). The alkaline-earth elements are highly metall
Studies have been made on the effects of alkaline-earth metals on the structure and electrical parameters of Cr 0.5 Ti 0.5 Si 2 and Cr 0.94 Ta 0.06 Si 2 solid solutions. Solubility gaps occur for magnesium, calcium, and barium in the solid solutions. The alkaline-earth metals affect the ...
This protocol describes the measurement of the electromotive force of alkaline-earth elements in liquid metal alloys at high temperatures (723-1,123 K) to determine their thermodynamic properties, including activity, partial molar entropy, partial molar enthalpy, and phase transition temperatures, over ...
Beryllium, chemical element that is the lightest member of the alkaline-earth metals of Group 2 of the periodic table. It is used in metallurgy as a hardening agent and in many outer space and nuclear applications. It is a steel-gray metal that is quite
The knowledge on alkaline-earth metal nitrides of main-group elements with Perovskite structures of the general composition (A3Nx)E is reviewed. Compounds with closely related crystal structures denoted as Ruddlesden-Popper-Series are also taken into account. In a second part, radii considerations are...
including salts of alkaline earth metals and iron. It is known that ions of poly- valent metals are able to form bonds between neighboring cellulose macromolecules [i]. The calcium salts of hemicellulose can clog the pores of filters. When there is a high content of silicic acid or sodium ...
Sodium also forms alloys with the alkaline-earth metals.Berylliumis soluble in sodium only to the extent of a few atomic percent at approximately 800 °C (1,500 °F). Liquid sodium andmagnesiumare only partially miscible. The degree of solubility in sodium of the alkaline-earth metals increase...