octet rule definition

The octet rule was postulated by Gilbert Newton Lewis. Octet rule is called the chemical rule of thumb.

The Octet Rule Help Definition And Exceptions Octet Rule Electron Configuration Rules

The octet rule in chemistry is a chemical rule that explains the rules of atoms electrons and their formsIt was formulated by a man named Gilbert N.

. Exceptions to the Octet Rule In those cases where the octet rule does not apply the substituents attached to the central atom nearly always attain noble gas configurations The central atom does not have a noble gas configuration but may have fewer than 8 or more than 8 electrons. It also determines whether electrons are added or lost through. Moreover this rule means the observation that elements bond in a way such that every atom contains eight electrons in the valence shell. The Octet Rule is a general rule that is used to describe chemical bonding and draw Lewis Structures.

The octet rule is one of the chemical rules of thumb stating that atoms prefer to combine in a manner such that each atom has 8 electrons in their valence shells. The octet rule states that atoms tend to form compounds in ways that give them eight valence electrons and thus the electron configuration of a noble gas. Chlorine for example typically forms an anion with a charge of 1-1 1 while sodium typically forms a cation with a charge of 1 1 1These patterns can be used to predict how elements will combine to form. Moreover the octet rule is a rule which is not very rigid and sometimes may get broken.

It defines the propensity of elements belonging to the main groups in the periodic table to react with each other to form compounds and become stable. The octet rule refers to the tendency of atoms to prefer to have eight electrons in the valence shell. It involves the formation of a chemical bond to attain the electronic configuration of the nearest noble gas to become stable either by sharing of valence electrons or by transfer of the valence electrons from one atom to another. Electron is a negatively charged particle proton is a positively charged particle and neutron is a neutral particle.

Octet Rule in Chemistry. An atom three particles are present. The octet rule states that an atom tends to have eight electrons in its outermost valence shell by forming covalent bonds through gaining or losing electrons from its outermost shell. Octet rule.

When atoms have fewer than eight electrons they tend to react and form more stable compounds. When atoms have fewer than eight electrons they tend to react and form more stable compounds. This gives the atom a valence shell resembling that of a noble gas. An exception to an octet of electrons is in the case of the first noble gas helium which only has two valence electrons.

The octet rule is the principle followed by atoms of different elements to combine with each other to complete the octet 8 elections in the outermost shell. The octet rule reflects the observation that the most stable ions of many elements have eight electrons in their valence shell for gaining the best possible stability. The octet rule states that atoms gain or lose electrons to attain an outer shell electron configuration nearest that of a noble gas. The octet rule in chemistry is the principle that bonded atoms share their eight outer electrons.

The octet rule dictates particular electron placement on the orbitals of the atoms nucleus. The octet rule is an informal measure of how favorable a chemical bond is between atoms. The attractive force between atoms is informally measured with this rule. Lewis through a theory based on a cubical atomsEverything within our planet is made up of atoms and it is interesting to understand how they work.

The rule states that Main Group elements form bonds in. Electron neutron and proton. The octet rule is a general rule used by chemists to predict the possible bonds formed by main group elements especially carbon nitrogen oxygen the. What is the Octet Rule.

The octet rule states that atoms tend to prefer having 8 electrons in their valence shell in order to possess an electronic configuration similar to the closest noble gas. Why Elements Follow the Octet Rule Atoms follow the octet rule because they always seek the most stable electron configuration. The octet rule explains that atoms combine either by transfer of valence electrons from one atom to another gaining or losing or by sharing of valence electrons in order to have an octet ie eight electrons in their valence shells. The octet rule is a general rule of thumb that applies to most atoms.

According to the Bohr model an atom consists of a nucleus of protons and neutrons orbited by a. It explains the reason for chemical combinations of atoms by ionic or covalent bonds. The octet rule or octet rule is a postulate that is used in the context of the chemistry. The octet rule is a chemical rule of thumb that states that atoms of low atomic number tend to combine in such a way that they each have eight electrons in their valence shells giving them the same electronic configuration as a noble gas.

Octet rule refers to the tendency of atoms to form compounds in order to have eight valence electrons in their outermost shell. The rule is especially applicable to carbon nitrogen oxygen and the halogens but also to metals such as sodium or magnesium. It is the tendency that atoms show to complete their energy level with eight electrons to reach stability. The octet rule is a chemical rule of thumb that reflects the theory that main-group elements tend to bond in such a way that each atom has eight electrons in its valence shell giving it the same electronic configuration as a noble gas.

The element attaining octet configuration has completely filled outermost s and p orbitals. The rule is applicable to the main-group elements especially carbon nitrogen oxygen and the halogens but also to metals such as. It states that every atom might want to have eight valence electrons in its outermost electron shell. The octet rule is a rule that is sometimes broken.

The octet rule refers to an important chemical rule of thumb.

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