ELECTRONS AND BONDING

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Metallic bonding
The electrostatic attractions between the positive ions and delocalised electrons held within the lattices
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What does the strength of metallic bonding depend on
The size of the cation and the number of delocalised electrons
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Compare and explain the electrical conductivities of sodium and sodium oxide in solid and liquid states
Sodium metal conducts electricity in solid or liquid state as it has delocalised e- which can flow under high potential.In NAO ions are fixed together in solid state so cannot conduct electricity but in solution or molten state ions are free to move
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What is Dative Covalent Bonding?
shared pair of electrons where both electrons are provided by one atom only
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What is ionic bonding
the electrostatic attraction between postive and negative ions
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What is covalent bonding
the electro static attractions between shared pair of e- and nucleus of each atom
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Other cards in this set

Card 2

Front

What does the strength of metallic bonding depend on

Back

The size of the cation and the number of delocalised electrons

Card 3

Front

Compare and explain the electrical conductivities of sodium and sodium oxide in solid and liquid states

Back

Preview of the front of card 3

Card 4

Front

What is Dative Covalent Bonding?

Back

Preview of the front of card 4

Card 5

Front

What is ionic bonding

Back

Preview of the front of card 5
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