That’s why this periodic table clock really caught our eye. [gocivici]’s idea is a simple one: light up three different elements with three different colors for hours, minutes, and seconds ...

You're listening to Chemistry in its element brought to you by Chemistry World, the magazine of the Royal Society of Chemistry. Element 103 in the periodic table is called lawrencium. It was first ...

Currently, there are 118 known elements on the periodic table, from hydrogen all the way to oganesson, which was officially named in 2016. It's pretty hefty, with at least 294 subatomic particles ...

Electronegativity, an essential characteristic of all elements in the periodic table, measures an atom's ability to attract ... and a small difference indicating a non-polar covalent bond (e.g., C-C ...

The periodic table of elements (often known simply as the periodic table) has been helping scientists with their work for a little over 150 years. The handy visual reference guide organizes known ...

A monthly collaboration between C&EN and Andy Brunning, chemistry educator and author of the popular graphics blog Compound Interest. Download an Updated Periodic Table from ACS Publications Is the ...

Lesson Plans: The Periodic Table and Bonding Download inquiry-based lesson plans ... A monthly collaboration between C&EN and Andy Brunning, chemistry educator and author of the popular graphics blog ...

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 ...

Periodic tables sometimes look different from each other ... The first Group 1 element, lithium, has the highest melting point at 180°C. The melting points then get gradually lower, with the ...

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 ...