Podcast
Questions and Answers
Electron pairs repel and try to get as far apart as possible to a position of minimum ______.
Electron pairs repel and try to get as far apart as possible to a position of minimum ______.
repulsion
If there are no lone pairs, electron pairs repel ______.
If there are no lone pairs, electron pairs repel ______.
equally
Lone pairs of electrons repel more than bonding pairs due to ______.
Lone pairs of electrons repel more than bonding pairs due to ______.
electronegativity
Lone pairs reduce bond angles by about 2.5 degrees per lone pair to minimize ______.
Lone pairs reduce bond angles by about 2.5 degrees per lone pair to minimize ______.
Square planar shape has a bond angle of ______ degrees.
Square planar shape has a bond angle of ______ degrees.
Linear shape has a bond angle of ______ degrees.
Linear shape has a bond angle of ______ degrees.
A compound with elements of similar electronegativity will have a _______ bond
A compound with elements of similar electronegativity will have a _______ bond
A compound with elements of very different electronegativity will have an _______ bond
A compound with elements of very different electronegativity will have an _______ bond
In a polar compound, the element with the larger electronegativity will be the δ- _______
In a polar compound, the element with the larger electronegativity will be the δ- _______
A polar covalent bond forms when the elements have different electronegativities between _______ to 1.7
A polar covalent bond forms when the elements have different electronegativities between _______ to 1.7
A symmetrical molecule with all identical bonds and no lone pairs will be _______
A symmetrical molecule with all identical bonds and no lone pairs will be _______
CO2 is a symmetrical molecule and considered a _______ molecule
CO2 is a symmetrical molecule and considered a _______ molecule
The strong electrostatic forces between positive ions and a sea of delocalised electrons require a lot of energy to break due to high _____________.
The strong electrostatic forces between positive ions and a sea of delocalised electrons require a lot of energy to break due to high _____________.
Solubility in water is generally good for substances that form _____________.
Solubility in water is generally good for substances that form _____________.
Conductivity when solid is generally poor because the ions are fixed in the lattice and cannot _____________.
Conductivity when solid is generally poor because the ions are fixed in the lattice and cannot _____________.
Diamond and sand exhibit poor conductivity because electrons are _____________.
Diamond and sand exhibit poor conductivity because electrons are _____________.
Malleability in shiny metals is due to the identical positive ions in the lattice, allowing planes of ions to easily _____________.
Malleability in shiny metals is due to the identical positive ions in the lattice, allowing planes of ions to easily _____________.
The shape of a molecule is determined by the number of bonding pairs and lone pairs of _____________.
The shape of a molecule is determined by the number of bonding pairs and lone pairs of _____________.
Flashcards
Electron pair repulsion
Electron pair repulsion
Electron pairs try to get as far apart as possible to minimize repulsion.
Equal repulsion
Equal repulsion
If there are no lone pairs, electron pairs repel equally.
Lone pair repulsion
Lone pair repulsion
Lone pairs repel more than bonding pairs due to electronegativity.
Bond angle reduction
Bond angle reduction
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Square planar bond angle
Square planar bond angle
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Linear bond angle
Linear bond angle
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Purely covalent bond
Purely covalent bond
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Ionic bond
Ionic bond
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δ- end (polar compound)
δ- end (polar compound)
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Polar covalent bond range
Polar covalent bond range
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Non-polar molecule
Non-polar molecule
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Non-polar molecule example
Non-polar molecule example
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High bonds example
High bonds example
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Solubility in water
Solubility in water
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Conductivity in solid
Conductivity in solid
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Poor conductivity (Diamond, sand)
Poor conductivity (Diamond, sand)
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Malleability example (metals)
Malleability example (metals)
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Molecular shape factor
Molecular shape factor
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