1. Definition of Chalcogens: The term "chalcogen" is derived from the Greek words "chalcos" meaning "copper" and "genes" meaning "born of" or "producing". This indicates that these elements are associated with the formation of ores, particularly copper ores. 2. Group 16 Elements: The ele...
Why are the halogens among the most active nonmetals? A Group Of Elements: The halogens are a group of nonmetal elements located in group 17 on the periodic table. This group is highly reactive, readily forming compounds with other elements. The halogens include the elements fluorine, chlorin...
(a) Halogens (b) Chalcogens (c) Noble gases (d) Alkali metals Which of the following pairs of elements could possibly be found in the same group on the periodic table? a) A forms a 2+ ion; B is in group 2. b) A is a noble gas; B forms a 1- ion. c) A has...
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 table...
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...