One of the biggest changes in decades is set to be made to the periodic table, with the atomic weight of 10 elements altered to better reflect how they occur in nature. For more than a century ...

Interestingly, Janet also provided space for elements right up to number 120 despite only 92 being known at the time (we’re only at 118 now). Charles Janet’s left-step table. Wikipedia, CC BY-SA ...

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications. When you purchase through links on our site, we ...

In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, atomic weight and the broad group they live in.

The 4D Periodic Table of Chemical Elements is an answer to this question, having a geometric structure related to the hypercube, a four-dimensional cube. Professor Haresh Lalvani published his paper ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

So the beauty of the periodic table is that the elements that are in columns, up and down, have similar properties. But there are similarities within a group going across too.