Also many periodic tables have a stair step line on the table identifying the element groups. The periodic table of elements can be divided into three element groups on the basis of their chemistry.

Best Of Periodic Table Groups Metals Metalloids And Nonmetals

The metalloids separate the metals and nonmetals on a periodic table.

The metals on the periodic table. 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. There are only two exceptions i e two elements in that sequence between number 5 and number 84 that are not metals. The less reactive alkaline earth metals lanthanides and radioactive actinides.

The line begins at boron b and extends down to polonium po. Metals in turn are classified as alkali metals alkali earth metals and transitional metals which have much in common with the metalloids. Solid at room temperature with the exception of mercury usually shiny.

Metals nonmetals and metalloids. Malleable able to be pounded into sheets. Elements of the periodic table are grouped as metals metalloids or semimetals and nonmetals.

The archetypal transition metals. If you look at the periodic table you will find that the metal elements are located between atomic number 5 boron b all the way to atomic number 84 polonium po. Metals comprise the large majority of the elements and can be subdivided into several different categories.

Good conductor of heat. The metals share several common properties including. Good conductor of electricity.

Except for germanium ge and antimony sb all the elements to the left of that line can be classified as metals. From left to right in the periodic table these categories include the highly reactive alkali metals.