polar valence
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polar valence — noun 1. : electrovalence 2. : covalence characterized by unequal distribution of electrons between the atoms united * * * Chem. electrovalence (def. 1). * * * polar valence, Chemistry. electrovalence … Useful english dictionary
electrovalence — “+ noun or electrovalency “+ Etymology: electr + valence, valency : valence characterized by the transfer of one or more electrons from one atom to another with the formation of ions (as in sodium chloride and other simple salts); also : the… … Useful english dictionary
electrovalence — electrovalent, adj. electrovalently, adv. /i lek troh vay leuhns/, n. Chem. 1. Also called polar valence. the valence of an ion, equal to the number of positive or negative charges acquired by an atom through a loss or gain of electrons. 2. Also… … Universalium
e|lec|tro|va|lence — «ih LEHK troh VAY luhns», noun. the number of electrons gained or lost by an atom when it becomes an ion in a compound; polar valence … Useful english dictionary
chemical bonding — ▪ chemistry Introduction any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another … Universalium
Chemical bond — A chemical bond is an attraction between atoms that allows the formation of chemical substances that contain two or more atoms. The bond is caused by the electromagnetic force attraction between opposite charges, either between electrons and… … Wikipedia
chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements … Universalium
atom — /at euhm/, n. 1. Physics. a. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical… … Universalium
Covalent bond — Covalent redirects here. For other uses, see Covalent (disambiguation). A covalent bond forming H2 (right) where two h … Wikipedia
organosulfur compound — ▪ chemical compound Introduction also spelled organosulphur compound , also called organic sulfur compound a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… … Universalium
