![]() You can find periodic tables in a variety of color schemes. ![]() Colors are selected based on how well the text shows up against them, but mostly it's a matter of personal preference. It can also be broadly divided into metals, nonmetals, and metalloids(semimetals). There is no standard set of colors used to identify element groups or other properties. The post-transition metals cluster to the lower left of this line. ![]() Elements in each group have similar properties with other elements in that. \): The periodic table is split into seven periods(rows) with the inner transition metals shown separately on the bottom to decrease the width of the periodic table. The metals are to the left of the line (except for hydrogen, which is a nonmetal), the nonmetals are to the right of the line, and the elements immediately. Many periodic tables will feature a bolded 'staircase' line below the diagonal connecting boron with astatine. 5 Groups of the PTE (cont.) Chemical properties would include how reactive they are.
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