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 ...

This year we celebrate the 150 th anniversary of Mendeleev’s achievement in formulating the structure of the periodic table that we use today. He announced his structure in 1869, but the challenge of ...

For example, the element symbol for iron is Fe, from the latin word ferrum for iron. On the periodic table, metals are found on the left and in the middle, and non-metals are on the right.

Designed to engage children with a unique periodic table decoding challenge, this worksheet encourages them to solve puzzles using atomic numbers to spell out fall-themed words. Whether you’re a ...

There are currently 118 known elements on the periodic table, and we've put 20 of them below to create a brain game that ...

In this edition of Celebrating Chemistry, explore atoms and the periodic table, go on an element scavenger hunt around your home, and try your hand at an elemental word search. Guide Linus—a lab ...

February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different elements ...

The modern periodic table, arranged in rows and columns, was first introduced by Dmitri Mendeleev in 1869. At the time, it included the known elements and their properties, but Mendeleev predicted ...