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The Periodic Table Gets 4 New Elements [A Must Read] by kenneth2057(m): 6:10pm On Jan 09, 2016 |
If science has an iconic image, it is that of the
periodic table of elements.
To a keen eye, however, there were gaps.
Large empty slots in the seventh row where,
although scientists had predicted the existence
of an element, they hadn’t found one.
On Dec. 30, those holes were filled by the
official body that governs the rules of naming
chemicals and defining its measurements. The
International Union of Pure and Applied
Chemistry (IUPAC) added four new elements
(number 113, 115, 117, and 118) and completed
the seventh row in the periodic table.
The RIKEN institute in Japan was credited with
the discovery of element 113, and thus received
naming rights. It is the first time Asian scientists
will get to name an element. The remaining
elements were discovered by Russian and
American scientists.
These chemical elements—which find their
unique place in the table depending on the
number protons in their nuclei—are fundamental
building blocks of the universe. So unless future
humans change the names of elements, naming
one is creating history. Existing elements have
been named after mythological concepts
(cerium), minerals (lithium), places (americium),
or scientists (einsteinium).
Although the four new elements are credited as
having been “discovered,” on Earth they had to
be created because the conditions under which
these elements exist are extreme. To do this,
scientists slam already existing elements into
each other at near speeds of light, and end up
with a handful of atoms of a new element that
exist for only fractions of a second. In fact, all
elements from 95 to 118 are synthetic elements
that once formed quickly decay into simpler
elements.
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