A chemical element or element is a species of atoms having the same number of
protons in their atomic nuclei There are 118 elements that have been identified, ...
Provides information on the 109 named elements plus elements 110 - 112.
alphabetical list of chemical elements periodic table chart.
Jan 4, 2016 ... Elements 113, 115, 117 and 118 to be named by scientists from Russia, the
United States and Japan.
Element, Sym- bol, Atomic no. Atomic wt. Specific gravity, Melting point °C,
Boiling point °C, No. of isotopes <sup>1</sup>, Discoverer, Year. Actinium, Ac, 89, 227 <sup>2</sup>,
10.07 <sup>3</sup> ...
Mar 29, 2016 ... Any substance that cannot be decomposed into simpler substances by ordinary
chemical processes. Elements are the fundamental materials of ...
Noun, 1. chemical element - any of the more than 100 known substances (of
which 92 occur naturally) that cannot be separated into simpler substances and
Jan 15, 2016 ... Since the 1930s, physicists have made dozens of new chemical elements. Could
these discoveries continue forever?
Explore the chemical elements through this periodic table.
Studying Europa's chemistry - on the surface and within the suspected ocean - is
... ocean environment beneath the ice could produce elements essential for life ...