Of the 94 metals discovered so far, only eight — including gold, silver and platinum — are considered precious metals. Here are some of the traits all precious metals have in common.
As telecom shifts to fibre, copper recycling emerges as a challenge and an opportunity, promising new revenue streams amid increasing demand for the metal.
The periodic table of elements is a landmark categorization developed in 1869 by the Russian chemist and inventor Dmitri Mendeleev. It arranges all natural and synthetic elements by their atomic ...
Our bodies require other elements, including non-metal elements such as phosphorus ... These are almost one-quarter of the periodic table and are mainly found in the first four periods.