You're listening to Chemistry in its element brought to you by Chemistry World, the magazine of the Royal Society of Chemistry. Hello, this week we're almost at the top of the periodic table because ...

each of the elements in group 18 end with the suffix ~on, instead of the suffix for the rest of the periodic table, ~ium (helium is the exception to this rule due to historical precedent).

The noble gases (Helium, Neon, Argon etc ... Meyer was just four years older than Mendeleev, and produced several Periodic Tables between 1864-1870. His first table contained just 28 elements, ...

If an atom has 2 protons, that’s an atom of the element helium. If it has 7 protons, that’s nitrogen. But the logic of the periodic table also relies upon the number and organisation of electr ...

unique place in the periodic table, and unique atomic weight. The production of this element from uranium through the intermediary of ionium, and the production of helium from radium, and ...

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

So how has the periodic table been put together ... Any letters that follow will be lower case letters, for example, helium is He. Some element symbols are simple. For example, oxygen is O.Others ...

And generations of children have sung the words, "hydrogen and helium, lithium, beryllium..." in an attempt to memorise some of the 118 elements. This year, the periodic table of chemical elements ...

On the periodic table, which contains 118 elements ... (Mon- means "one.") Helium is a monatomic element. And oxygen can be triatomic, with the oxygen atoms forming a triple bond.

The search for new elements comes from the dream of finding a variant that is sufficiently stable to be long-lived and not ...

New elements have come to fill the vacant spaces in his table, and there ... argon and helium, do not seem to present any relation with the periodic system. The physical properties of argon ...