The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

Copper has been used by humans for as much as 7000 years and elements such as gold, silver, tin ... line in the diagram of the periodic table above separates the metals, on the left, from non ...

There are 118 elements in the periodic table, each with a unique symbol and atomic number. Symbol: A one or two-letter abbreviation used to represent the element. Atomic number: The number of ...

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

Bismuth, the 83rd element in the periodic table, has been known since ancient ... alleged method to transform bismuth and aluminium into silver. This led to a surge in the price of bismuth on ...

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 ...

Gold is increasingly being used in nanotechnology. Nanotechnology is useful because it is not restricted to a particular material – any material could in principle be made into a nanomaterial.