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.
Species Overview. In addition to being the smallest member of the porpoise family, vaquita are the smallest of all known cetaceans, have the most restricted range, and are the most critically endangered of all cetaceans. Native to Mexico, their scientific name, Phocoena sinus means âporpoise of the gulfâ.n addition to being the smallest member of the porpoise family, vaquita are the smallest of all known cetaceans, have the most restricted range, and are the most critically endangered of all cetaceans. Native to Mexico, their scientific name, Phocoena sinus means âporpoise of the gulfâ.