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12 Cards in this Set
- Front
- Back
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covalent bond
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the attachment between atoms resulting from sharing of electrons
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bond disassociation energy
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the amount of energy required to break a given covalent compound
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exothermic
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a process or reaction that releases heat
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What kind of energy is released during the formation of a covalent bond?
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bond disassociation
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What kind of process is the formation of a covalent bond?
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exothermic
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molecule
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the substance formed when two or more atoms covalently bond, lower in potential energy than its constituent atoms
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sigma bond
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a covalent bond in which the electrons shared are centered between the two bonding atoms
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pi bond
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a covalent bond that is formed when parallel orbitals overlap to share electrons
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In what form do elements such as hydrogen, nitrogen, and oxygen normally occur?
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as molecules containing two atoms
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How many electrons are shared in a double covalent bond?
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4
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Bond length
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the distance between the nuclei of two attached atoms
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Describe the general relationship between bond length and the number of electrons in a bond.
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the shorter the bond, the fewer the electrons in it
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