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.
Most of the islands are found in the Aegean Sea and are divided into seven groups (from north to south): The Northeastern Aegean Islands. Agios Efstratios, Thasos, Ikaria, Lesbos, Limnos, Inouses, Samos, Samothrace, Chios, Psara.hese islands, which are the biggest of the Ionian Sea, constitute the famous Eptanissa (meaning seven islands; epta in Greek means seven). Antipaxi, Ereikoussa, Kalamos, Kastos, Mathraki, Meganissi, Othoni, Skorpios, Strofades are smaller islands of the Ionian Sea.