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Chemistry 8.2 Vocab

QuestionAnswer
a bond formed when two atoms share a pair of electrons Single covalent bond
a chemical formula that shows the arrangement of atoms in a molecule or a polyatomic ion; each dash between a pair of atoms indicates a pair of shared electrons Structural formula
a pair of valence electrons that is not shared between atoms Unshared pair
a bond in which two atoms share two pairs of electrons Double covalent bond
a covalent bond in which three pairs of electrons are shared by two atoms Triple covalent bond
a covalent bond in which one atom contributes both bonding electrons Coordinate covalent bond
a tightly bound group of atoms that behaves as a unit and has a positive or negative charge Polyatomic ion
the energy required to break the bond between two covalently bonded atoms; this value is usually expressed in kJ per mol of substance Bond dissociation energy
one of the two or more equally valid electron dot structures of a molecule or polyatomic ion Resonance structure
Created by: MikuVocaloid1313