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 ...

National Periodic Table Day, observed annually on February 7, honors one of the most significant achievements in scientific ...

known as "element 120," which would be so hefty that it would need to be put in a new row on the periodic table of elements.

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

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 ...

You interact with about two-thirds of the elements of the periodic table every day. Some, like carbon, oxygen, and nitrogen, make up our bodies and the air we breathe. Yet there is also a class of ...

As we have seen, Mendeleev was not the first to attempt to find order within the elements, but it is his attempt that was so successful that it now forms the basis of the modern periodic table.

The periodic table arranges all the chemical elements in a specific way ... that they are so reactive the explosion would be far too big. Gethin: So, the further down the table you go the more ...

Want to learn more about this centerpiece of chemistry? Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out ...

They obtained a beautiful scale that works both for small and large differences in electronegativity. The new scale uses electronegativity as a dimensionless quantity, which is very practical and ...

Hydrogen has been around since atoms first formed in the residue of the Big Bang, and is the most abundant element by far. Despite billions of years of countless ... Now next week we meet the time ...