An ion is an atom or group of atoms that has lost or gained one or more electrons. This produces a charged particle, which can be either positive or negative. Normally, an atom is neutrally charged. When negatively charged electrons are lost from an...

An electrically neutral atom becomes an ion through the removal or addition of electrons. A negatively charged ion is called an anion and a positively charged ion is a cation. There are a variety of ways in which atoms can be ionized. Chemical...

An ion is a molecule of atom that carries a net positive or negative electric charge, that is it is not electrically neutral. The word ion is Greek, meaning the ones that move. A neutral atom has equal numbers of protons and electrons, as does a...

A cation is a positively charged ion. The name comes from a 19th century combination of cata (from the Greek for down, kata) and ion. During electrolysis, cations are reduced at the cathode. Cations have all lost one or more electrons, giving them a...

An ion is an atom or molecule which has lost or gained one or more electrons, making it positively or negatively charged. A negatively charged ion, which has more electrons in its electron shells than it has protons in its nuclei, is known as an anion...

Star of 'The Death of Mr Lazarescu' No one outside Romania was aware of Ion Fiscuteanu's superb acting skills until 2005, the year Cristi Puiu's film The Death of Mr Lazarescu was shown at the festival in Cannes, where it won the Prix...

Alternative healing and medicine have grown in mainstream popularity over the past decade. Detoxification of the body is one of the methods used in alternative medicine and is said to clear the body of its toxins. Local salons, holistic businesses and even natural...

Chip gear makers built more than equipment last year. They also built strong sales. Final numbers aren't in, but it's expected that sales rose 21% from 2005, to $40 billion. Partly based on a U.S. economy that's expected to cool, analysts expect gear sales to...