The Periodic Table is a well-organized chart that contains all 118 known elements in the universe. These elements are the ...

Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table’s arrangement also allows scientists to discern trends in ...

Metals make up most of the elements in the periodic table and are found to the left of a stepped line beginning below boron (B ... For example, iron (element symbol Fe) is mostly found as ...