Scientists have discovered a new way of creating superheavy elements by firing supercharged ion beams at dense atoms. The ...

1. Periodic Table as Arranged by Mendelejeff attention to the fact that “the eighth element, starting from a given one, is a kind of repetition of the first, like the eighth note of an octave in ...

Going down group 1, the melting point decreases. Lithium, Li Fizzes steadily; slowly becomes smaller until it disappears Sodium, Na Fizzes rapidly; melts to form a ball; quickly becomes smaller ...

In recent decades, researchers have pushed the boundaries of the periodic table, synthesizing the heaviest elements known to ...

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

When Newlands gave a lecture to the Chemical Society on 1 March 1866 to announce his discovery ... John Newlands took issue with the credit that Mendeleev was given for the periodic table in his book ...

Forget 10 Downing Street or 1600 Pennsylvania Avenue, the most prestigious address in the universe is number one in the periodic table, hydrogen. In science, simplicity and beauty are often equated - ...

The periodic table The periodic table is a chart of all the elements arranged in increasing atomic number. Group 1 alkali metals The Group 1 elements, also known as the alkali metals, all react ...

Nihonium (Nh), a radioactive synthetic element, joined the periodic table of elements in November five years ago with the atomic number 113. More than a century ago, a similar sounding but ...

Students can discover what makes steel rust, which materials conduct electricity the best, learn how to make a compass and much more with these articles and activities about metals and magnets. This ...

Electronegativity, an essential characteristic of all elements in the periodic table, measures an atom's ability to attract electrons towards itself within a chemical bond. This vital theoretical ...

A substantially equal periodic payment is a series of retirement account withdrawals that allow account owners to take funds out before age 59 1/2 with no penalty. Taking money out of retirement ...