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unit 3 bonding

TermDefinition
Electron configuration The electron configuration of an atom is the representation of the arrangement of electrons distributed among the orbital shells and subshells.
Covalent bond A covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms.
ionic bond Ionic bonds occur between metals, losing electrons, and nonmetals, gaining electrons.
Lewis dot structure (electron-dot notation) Is a representation of the valence electrons of an atom that uses dots around the symbol of the element.
Octet rule an atom will be most stable when surrounded by 8 electrons in the valence shell (outer most energy level)
metallic bond A bond formed by the attraction between positively charged metal ion and the electrons around them
conductivity Conductivity is the measure of the ease at which an electric charge or heat can pass through a material.
polar This describe a molecule in which the positive and negative charge are separated
nonpolar This is a covalent bond in which the bonding electrons are equally attracted to both bonded atoms.
bent Bent molecular geometry is a kind of molecular geometry in which the central atom has two lone pairs of electrons and is associated with two bond pairs.
tetrahedral A carbon atom with four attachments, and bond angles of approximately 109.5.
trigonal planar A trigonal planar molecular geometry model has one atom in the centre and three atoms at the corners of an equilateral triangle, known as peripheral atoms, all in the same plane.
linar Relating to, resembling, or having a graph that is a line and especially a straight line.
valence electrons An electron that is found in the outermost shell of an atom and determines the atom's chemical properties.
formula unit The simplest collection of atom from which an ion compound's formula can be written.
Polyatomic ion An ion made of two or more Atom.
VSEPR theory It states that repulsion between the sets of valence-level electrons surrounding an atom causes these sets to be oriented as far apart as possible.
Created by: ja472174
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