If you are intimidated by the periodic table, then this introduction through the first column of elements will give you a feel for how and why the elements are arranged in this order.

Many scientists worked on the problem of organizing the elements, but Dmitri Mendeleev published his first version of the periodic table in 1869, and is most often credited as its inventor. Since then ...

The people who developed the periodic table could have called it the Periodic Table of the Atoms but they did not have a firm understanding of atoms at that time. Since they were working with actual ...

The periodic table is one of the greatest achievements in scientific history, a tool that has transformed chemistry from an ...

Elements in the periodic table are arranged in order of increasing atomic number. The atomic number represents the number of protons in an atom's nucleus, uniquely identifying each element.

This video explains the periodic table, which contains all the known elements. ... Part of Combined Science Building blocks for understanding. Now playing video 1 of 2 The periodic table ...

Since Mendeleev's time, scientists have discovered new elements, expanding the periodic table. The most recent additions include nihonium, moscovium, tennessine, and oganesson, which were officially ...

It is, of course, a pullout of the periodic table. The grid, familiar to all schoolchildren, orders all the known elements into rows and columns according to their properties.