Because of their chemical inertness, the elements in this group are called the Nobel Gases: Helium · Neon electronic shell. However, hydrogen has none of the metallic properties of the alkali metals. Group III Elements. The elements in.
Any of the six chemical elements constituting Group 13 (IIIa) of the (a property called amphoterism); and thallic oxide (Tl 2O 3) is wholly basic.
Main group elements in the first two rows of the table are called typical elements. Group numbers: group 3 periodic periodicity for group 3 chemical elements. Please consider upgrading your browser software or enabling style sheets CSS if you are able to do so. Plus, get practice tests, quizzes, and personalized coaching to help you. Magnesium reacts only with steam and calcium with hot water. But thallium isn't all bad, it can be used in special high refraction glass. Boron shows trivalency in its compounds.