What is the rule of octet?

Octote rule is a basic chemical rule that makes it easy to remember certain atomic properties. According to this useful rule, much, not if most, atoms try to lose or get electrons to have a total of eight in an external shell. Scientists have found that the atom is most stable with eight electrons in the outer layer and it seems that atoms are trying to move towards this balance. In teaching at Harvard University in 1902, Lewis drew on his own research and from the current German chemist Richard, although to create a model for the rule of octets. The idea has been for some time, although Lewis was the first to visualize the concept, theorized that the atoms had a concentric cubic structure that had eight corners, creating a desire for eight electron. The term Octet Rule was a popularized chemist working on the same concept, an American scientist named Irving Langmuir.

The stability and reactivity of the atom is usually related to the configuration of its electrons. Noble gases, such as neon, argon, krypton and xenon, tend to have eight electrons on the layer of external energy. Helium is the main exception of the rule of octare, which has only two electrons. When the atom has eight electrons, it is generally considered stable and usually will not respond with other elements. Atoms with less than eight electrons are often much more reactive and connect or create links with other atoms to try to reach the level of octets.

Chemists and confused students quickly point out that the rule of octets should not actually be considered a rule because there are many exceptions to behavior. This is hardly surprising; Because the elements are so widely variable in other cases, Tobylo would be very unusual for all logging in to take this interesting rule. For example, hydrogen has only one electron that prevents enough space for seven other electrons thatare fastened from other atoms. Bernyllium and Boron have only two and three electrons, respectively, and the like could never get to the full octare.

Some atoms, such as sulfur, may actually have more than eight electrons on the outer layer. Sulfur has six electrons, but usually only two are available. Sometimes there is a process of absorbing energy, causing all six electrons to be excited and available for connection, allowing a total of 12 electrons on the outer layer.