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 the periodic table the elements are arranged into: in older periodic tables, group numbers 1-7 and 0 are given for the main groups in newer periodic tables, ‘IUPAC’ group numbers 1-18 are ...

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 ...

The periodic table of elements is a landmark categorization ... and synthetic elements by their atomic number , ranging from 1 to 118, grouping them by elements that look or behave similarly ...

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 - ...

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 ...

Using lasers beams to measure the nuclear radius of isotopes at the end of periodic table. Elements at the end of the ...

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 ...