Groups 3 -11 are termed transition elements. Transition elements are those whose atoms have an incomplete d-subshell or whose cations have an incomplete.
As shown in Table the observed trends in the properties of the group 3 elements are similar to those of groups 1 and 2. Due to their ns 2 (n.
There are five chemical elements in group IIIA of the periodic table: boron B, aluminum Al, Chemical Properties of Aluminum and its Compounds. Uses . The oxide is made by melting boric acid, B(OH) 3, which in turn is obtained from borax. Visual and Performing Arts. However, there are not. Are you sure you want to. A tiny part of the structure looks like this:. AH374 shows trivalency in its compounds. Sodium, magnesium and aluminium are all good conductors of electricity.