Need help with the Periodic Table? In this Guide, we discuss all the elements including their history and common uses.
periodic table, in chemistry, the organized array of all the chemical elements in order of increasing atomic number —i.e., the total number of protons in the atomic nucleus.
Learn about the periodic table of elements. Find lesson plans and classroom activities, view a periodic table gallery, and shop for periodic table gifts.:max_bytes(150000):strip_icc()/periodictable-56a129c93df78cf77267ff25.jpg)
Learn about the periodic table of the elements, including its history, how elements are organized, and how to use the table to predict properties.
In this section you will explore how the periodic table was put together and the two main arrangement of the periodic table focusing on the groups and periods and metals and non metals.