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.

When Dimitri Mendeleev published the first periodic table 150 years ago, only about half as many elements were known as today. Over the ensuing decades, researchers have added new names to the ...

Our Nature Research periodic table features editors’ picks from 150 years of original research published in Nature and the Nature Research journals, commentaries and multimedia for elements 1 ...

Give each student a Periodic Table of Energy Levels activity sheet. This table contains energy level models for the first 20 elements. The electrons are included only for the atoms at the beginning ...

The first version of the periodic table would not come along for more than a hundred and forty years after his death. With the modern atomic structure not surfacing for another 30 years after that.

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 ...

Scientists had a rudimentary understanding of the periodic table of the elements centuries ago. But in the late 19th century, Russian chemist Dmitri Mendeleev published his first attempt at ...

The periodic table is like a map that organizes elements based on their atomic structure and properties. It helps scientists and students study and understand the vast variety of elements and how ...

This part of the periodic table was the playground of Glenn Seaborg, an American physicist. In 1940 Seaborg was part of a group at the University of California, Berkeley, that made neptunium (93).