Atoms contain protons, neutrons and electrons. The electrons are arranged in shells around the nucleus. The periodic table The periodic table is a chart of all the elements arranged in increasing ...

In this episode, Dr Sunayana Bhargava and Tulela Pea look at Groups 1, 7 and 0 of the Periodic table, exploring the properties of the elements in each Group. Suitable for: AQA, Edexcel, OCR. For more ...

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 rudimentary ...

The periodic table of elements—also known as Mendeleev’s table—was developed in 1869 by Russian chemist Dmitri Mendeleev. It organizes all known chemical elements by their atomic number, which is the ...

Whether you need to brush up on your chemistry, or just love it when someone sets the Periodic Table to music, AsapSCIENCE’s The NEW Periodic Table Song is for you. This rundown of the elements in ...

I was looking at the periodic table of the elements the other day, as one does, when my eye fell upon the right-hand side of the chart. Right next to the noble gases at the extreme edge of the table ...

University of Hull provides funding as a member of The Conversation UK. But the periodic table didn’t actually start with Mendeleev. Many had tinkered with arranging the elements. Decades before, ...