The Halloween science worksheet is a great way to combine science with holiday fun, helping kids practice chemistry while enjoying the spooky season. Designed to engage children with a unique ...

Can you name everything from Ac to Zr? Test your knowledge of the periodic table and see if you can top the leaderboard ...

The organized rows and columns of the Periodic Table hide a rich and twisting history. ... Four newest elements on periodic table get names. Science News. Vol. 190, No. 1, July 9, 2016, p. 16.

But the periodic table contains still more; the heaviest so far is element 118, oganesson, a “super-heavy” element with 118 protons and a half-life of half a millisecond.

Today, the periodic table is organized by atomic number, which is the number of protons in the nucleus. But they didn’t know about protons then, so they organized everything by atomic weight.

The periodic table is 150 – but it could have looked very different. Through the years, plenty of hopefuls have pitched their own ideas for how the most famous graph in science should look ...

The periodic table of the elements isn't as confusing as it looks. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists had a ...

A new study lays the groundwork to expand the periodic table with a search for element 120, to be made by slamming electrically charged titanium atoms, or ions, into a californium target.