what is meant by "expanded octet"?

Valency is a measure of the ability of an atom to bond with other atoms, typically determined by the number of electrons an atom needs to gain, lose, or share ... May 19, 2024 ... the valences of the chemical elements—the number of electrons with which an atom will bond or form—are those that can be derived by looking at ... Here e represents a valency electron, e' a non-nuclear electron in one ... this element, now in the press, ·I have df'scribed a faint line at 39 which ... ... valency slots, etc.). It is identical to the element, except that many subelements do not make sense anymore and thus are not defined; of those that are ... thesis that when the higher valencies of elements such as phosph are developed by the attachment of oxygen, the new bonds double bonds and not ordinary ... CBSE Class 9 Answered. An element Z forms an oxide ZO3. What is the valency of element Z? ... Oxygen is a divalent atom. Its valency is 2. Since, the formula of ... Aug 9, 2017 ... Valency of an element is the number of electrons in the outermost shell of the element. Answer link. Related topic. Elements Questions. Related ... The valency of the element is 1 (since the outermost shell has only one electron). Therefore, the element with Z = 3 is lithium. ... element of Aut(G)1 then G is called an m-DCI-group. in this paper, we prove that, for m greater than or equal to 2, all m-DCI-groups are of the form U x V ... May 19, 2021 ... The number of electrons in the outer shells (valency of that atom) gives the common chemical/physical properties of the elements. Step 2: ...

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what is the valency of an element

• how does valency relate to chemical bonding? what are the common valencies of nonmetals?
• how do interactions between amino acid residues (involving different valencies and intermolecular forces) determine the final three-dimensional structure of a protein?
• what is the valency of iron in iron(III) chloride (FeCl3)? what is the valency of copper in copper(I) oxide (Cu2O)?
• how does the concept of valency apply to molecules containing only one type of element (e.g., O2, N2, S8)? how does the bonding in allotropes of an element (e.g., diamond and graphite) relate to the valency of the element?
• what is the valency of germanium?
• how does hybridization occur in other elements besides carbon?
• how do hydrogen bonds affect the properties of water? how does valency relate to the structure of ice?
• what is the valency of nobelium? what is the valency of lawrencium?
• what is the valency of platinum?
• how does the number of valence electron pairs around a central atom determine its electron pair geometry?