The periodic table is a well-organized chart that contains all the known elements in the universe. These elements are ...

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 ...

These elements are organized in the periodic table based on their atomic numbers, which increase sequentially from 1 (Hydrogen) to 118 (Oganesson). Each element has unique chemical properties and ...

There are currently 118 known elements on the periodic table, and we've put 20 of them ... a very small part of the ...

You may use table navigation commands for the screen reader of your choice. The Periodic Table of Elements. Each entry contains the atomic number, chemical symbol, and atomic mass to two decimal ...

The zigzag, staircase, line in the diagram of the periodic table above separates the metals ... system is used for representing elements. The symbol for the element is the first letter of its ...