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.
The country has the largest coastline in Europe (13,676km) due to its numerous islands. Greece has a total of 2,000 Greek islands but only 168 are inhabited. Geography of Greece and its position: The country is washed to the east by the Aegean Sea, to the west by the Ionian and to the south by the Mediterranean Sea.