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 ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

How much do you remember from your high school chemistry class? Find out with this quiz on the periodic table of elements.

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).

Players read questions about energy levels and score points by picking the correct element as the answer. Electrons are in regions around the nucleus ... Each energy level holds a certain number of ...

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 ...

Just four years before Mendeleev announced his periodic table, Newlands noticed that there were similarities between elements with atomic weights that differed by seven. He called this The Law of ...

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 ...

" width="1200" height="675" /> 118 Elements and Their Symbols and Atomic Numbers: The periodic table is a well-organized ...

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 ...

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 ...