The columns called groups contain elements with similar chemical behaviours. The periodic table of metals and nonmetals can be broken down to give you a sense of each element s characteristics. What Is A Metal Chemistry Metals And The Periodic Table Of The Six groups have accepted names as well as assigned numb. Periodic table of elements metals . In the periodic table you can see a stair stepped line starting at boron b atomic number 5 and going all the way down to polonium po atomic number 84. Metals nonmetals and metalloids make up the periodic table with metals constituting the large majority of all metals. The seven rows of the table called periods generally have metals on the left and nonmetals on the right. Elements of the periodic table are grouped as metals metalloids or semimetals and nonmetals. It is organized in order of increasing atomic number. The line begins at boron b and extends down to polonium po. The alkaline earth metals have very high meltin