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Chemistry Vocab 8

TermDefinition
Covalent Bond A bond formed by the sharing of electrons between atoms.
Molecule A neutral group of atoms joined together by covalent bonds.
Diatomic Molecule A molecule consisting of two atoms.
Molecular Compound A compound that is composed of molecules.
Molecular Formula A chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of a compound.
Single Covalent Bond A bond formed when two atoms share a pair of electrons.
Structural Formula A chemical formula that shows the arrangements of atoms in a molecule or a polyatomic ion; each dash between a pair of atoms indicates a pair of shared electrons.
Unshared Pair A pair of valence electrons that is not shared between atoms.
Double Covalent Bond A bond in which two atoms share two pairs of electrons.
Triple Covalent Bond A covalent bond in which three pairs of electrons are shared by two atoms.
Coordinate Covalent Bonds A covalent bond in which one atom contributes both bonding electrons.
Polyatomic Ion A tightly bound group of atoms that behaves as a unit and has a positive or negative charge.
Bond Dissociation Energy The energy required to break the bond between two covalently bonded atoms; this value is usually expressed in kJ per mol of substance.
Resonance Structure One of the two or more equally valid electron dot structures of a molecule or polyatomic ion.
Molecular Orbital An orbital that applies to the entire molecule.
Created by: OliviaRoark
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