An anion is an ionic species having a negative charge. They are atoms that have gained electrons. Anions are one of the two types of ions. The other type is called a cation. Anions are attracted to the anode, while cations are attracted to the cathode. The concept of an anion is important in the corrosion industry because certain anions facilitate corrosion.
Greece is home to a series of ancient volcanoes, including those on the islands of Kos, Methana, Milos, Nisyros, Poros and Santorini.reece is home to a series of ancient volcanoes, including those on the islands of Kos, Methana, Milos, Nisyros, Poros and Santorini.
Discover beautiful Greek islands. Greece has 6.000 islands in total, scattered in the Aegean and Ionian Seas, of which only 227 are inhabited. They take up 7,500 km of the countryâs total 16,000 km coastline. Spreading in two main seas, the Aegean and the Ionian Sea, the Greek islands are divided into smaller groups.