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 ______.
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Square planar shape has a bond angle of ______ degrees.
Square planar shape has a bond angle of ______ degrees.
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Linear shape has a bond angle of ______ degrees.
Linear shape has a bond angle of ______ degrees.
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A compound with elements of similar electronegativity will have a _______ bond
A compound with elements of similar electronegativity will have a _______ bond
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A compound with elements of very different electronegativity will have an _______ bond
A compound with elements of very different electronegativity will have an _______ bond
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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- _______
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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
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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 _______
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CO2 is a symmetrical molecule and considered a _______ molecule
CO2 is a symmetrical molecule and considered a _______ molecule
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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 _____________.
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Solubility in water is generally good for substances that form _____________.
Solubility in water is generally good for substances that form _____________.
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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 _____________.
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Diamond and sand exhibit poor conductivity because electrons are _____________.
Diamond and sand exhibit poor conductivity because electrons are _____________.
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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 _____________.
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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 _____________.
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