What are the elements found in an A group (groups 1, 2, and 13-18) on the periodic table (also called representative elements)?What is the symbol of the element in Group 4A(14) and Period 2 in the periodic table?Which elements in the periodic tabl...
Special attention has been paid in numerous studies on triel bonds that are formed between elements of the 13th group (triel elements) acting as electrophiles and the electron-rich sites of Lewis base units [23,24]. The triel trivalent centers possess six electrons in the valence shell, thu...