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

Electronic structure can be shown as a list of numbers ... Remember that we use chemical symbols to stand for the elements. For example, C stands for carbon, O stands for oxygen, S stands for ...

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 ...