Compounds with the same molecular formula but different structures
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Polarity
The displacement of electron density(formation of an electric dipole) in a covalent bond, or in a molecule, due to a difference in electronegativity
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Position isomers
Structural isomers which have the same carbon skeleton and the same fun ctional group, but in which the functional group is joined at different places on the carbon skeleton
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Saturated hydrocarbons
Contain carbon-carbon single bonds as well as carbon-hydrogen bonds
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Macro molecular
A large covalently bonded lattice structure
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Isotopes
Atoms of the same element with the same atomic number but different mass numbers
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Square planar
The spatial arrangement of a central atom surrounded by four atoms situated at the corners of a square
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Functional group
An atom or group of atoms which, when present in different, causes them to have similar chemical properties
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Functional group Isomers
Structural isomers which contain different functional groups
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Co-ordinate covalent bond
'A covalent bond formed when the pair of electrons originate from one atom
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Electronegativity
The power of an atom to attract the shared electrons in a covalent bond
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Empirical formula
The simplest ratio of atoms of each element in a compound
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Energy level
The specific values of energy that an electron may have in an atom
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First ionisation energy
The enthalpy change required to remove one mole of electrons from one mole of atoms in the gaseous phase
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Greenhouse gases
Gases in the atmosphere which absorb infra-red radiation
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Hydrogen bonding
An intermolecular force between the lone pair on an electronegative atom and a hydrogen atom bonded to such an electronegative atom
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Ionic bond
The electrostatic force of attraction between oppositely charged ions
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Ionic crystal
A lattice of positive and negative ions bound together by electrostatic attractions
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Other cards in this set
Card 2
Front
Compounds with the same molecular formula but different structures
Back
Structural isomer
Card 3
Front
The displacement of electron density(formation of an electric dipole) in a covalent bond, or in a molecule, due to a difference in electronegativity
Back
Card 4
Front
Structural isomers which have the same carbon skeleton and the same fun ctional group, but in which the functional group is joined at different places on the carbon skeleton
Back
Card 5
Front
Contain carbon-carbon single bonds as well as carbon-hydrogen bonds
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