For example, nitrate ion, NO3-, contains one nitrogen atom and three oxygen atoms. The atoms in a polyatomic ion are usually covalently bonded to one another, and therefore stay together as a single, charged unit.Rule 1. The cation is written first in the name; the anion is written second in the name.or example, nitrate ion, NO3-, contains one nitrogen atom and three oxygen atoms. The atoms in a polyatomic ion are usually covalently bonded to one another, and therefore stay together as a single, charged unit.
The cost of goods sold includes all of the costs associated with a purchase. If the company in question sources goods from other factories, then their COGS includes the costs of conversion and other costs incurred in bringing the stock to their present location and condition.
A cogwheel is a mechanical part used in machine assemblies. It is also known as a gear and is an essential part of many common devices, including automotive transmissions. The body of the gear rotates just as a wheel does, and its outer edge is lined with protuberances called teeth or cogs; hence the name cogwheel.