Atom giving up their outermost electron easily (low 1st IE) to form a noble gas configuration.
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Electronegative
greater tendency to gain electrons
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electron affinity
the measure of the tendency of an atom in the gas phase to gain an electron.
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ionic bonding
ions are held together by an electrostatic attraction between the oppositely charged ions
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Metallic Bond
Electrostatic forces between ions and deloaclised electrons
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Polar covalent bonds
Bonds in which the electron distribution is uneven.
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Dipole Moment
The sum of all the individual bond polarities in the molecule
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Hydrogen Bond
Relatively strong dipole-dipole attraction which occur in molecules with -OH, -NH & -FH. When H atoms bond with electronegative atoms, the single electron is pulled away from the H, creating aconcentrated positive charge.
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Matter
anything that has mass or takes up space
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Enthalpy Change of fusion
the energy needed to change a solid into a liquid is known as...
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Enthalpy change of vaporisation
the enregy needed to turn a liquid to a gas
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Electron Repulsion Theory
The orbitals (pair of electrons so repel each other) in a molecule repel each other and therefore orientate themselves s that they are as far away from each other as possible.
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Other cards in this set
Card 2
Front
greater tendency to gain electrons
Back
Electronegative
Card 3
Front
the measure of the tendency of an atom in the gas phase to gain an electron.
Back
Card 4
Front
ions are held together by an electrostatic attraction between the oppositely charged ions
Back
Card 5
Front
Electrostatic forces between ions and deloaclised electrons
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