Topic 2: Chemical Bonding and Structure

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  • Created by: LouiseG
  • Created on: 16-04-16 11:42
What is a pi-bond?
The sideways overlap of two p-orbitals
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Electronegativity....
...is the ability of an atom to attract a bonding pair of electrons
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What is a dative covalent bond?
A bond formed from the overlap of an empty orbital and a lone pair
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What intermolecular force acts between all molecules?
London Forces
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What is the most significant reason why HF has a higher boiling point than HCl?
HF can form strong hydrogen bonds between molecules, HCl cannot
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In order for a substance to dissolve...
...the attractions formed between the solute and solvent need to be stronger than the original bonds
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It doesn't conduct when solid, it has a high melting point, it is...
a giant ionic OR giant covalent structure
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If a molecule has two bonded and two lone pairs; it's ...
v-shaped
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What causes ice to be less dense than liquid water?
Hydrogen bonds between molecules in ice create an open and spaced "cage" structure, which breaks down on melting
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Other cards in this set

Card 2

Front

Electronegativity....

Back

...is the ability of an atom to attract a bonding pair of electrons

Card 3

Front

What is a dative covalent bond?

Back

Preview of the front of card 3

Card 4

Front

What intermolecular force acts between all molecules?

Back

Preview of the front of card 4

Card 5

Front

What is the most significant reason why HF has a higher boiling point than HCl?

Back

Preview of the front of card 5
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Comments

Ahmed Ahnaf

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London forces are the weakest bonds among the intermolecular forces. One of the answers in the question is wrong. Please rectify the mistake whoever has made this. Appreciate the fact that you have spent your time making this.

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