Using the Periodic Table above that means any compound that contains an element shown in orange will contain ionic (electrovalent) bonds. Compounds that form between two non-metals (or between non-metals and metalloids) will contain covalent bonds. Using the Periodic Table above that means any compound that contains element shown in yellow or green will contain covalent bonds.
Porpoises are a group of fully aquatic marine mammals, that are sometimes referred to as mereswine, all of which are classified under the family Phocoenidae, parvorder Odontoceti (toothed whales). There are 8 extant species of porpoise.
Hippocampus (mythology) The hippocampus or hippocamp, also hippokampoi (plural: hippocampi or hippocamps; Greek: á¼±ÏÏÏÎºÎ±Î¼ÏÎ¿Ï, from á¼µÏÏÎ¿Ï, horse and ÎºÎ¬Î¼ÏÎ¿Ï, monster), often called a sea-horse in English, is a mythological creature shared by Phoenician and Greek mythology, though the name by which it is recognised is purely Greek.