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.
The porcupine is a large, spiny rodent that can be found in the Americas, southern Asia, and Africa. They are well known for their coat of sharp spines or quills. They are the third largest rodent on the earth after the capybara and the beaver.Porcupines can be brown, black or, in unusual cases, white. They can grow to a maximum length of 25â36 inches (63â91 cm) long, with a 8â10 in (20â25 cm) long tail. Most porcupines weigh between 12 and 36 pounds (5.4â16 kg).he porcupine is a large, spiny rodent that can be found in the Americas, southern Asia, and Africa. They are well known for their coat of sharp spines or quills. They are the third largest rodent on the earth after the capybara and the beaver.