6.a.Properties of bonding
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What are the 4 types of bonding?
Ionic Metallic Covalent molecular Covalent network
Which type of bonding is never found in elements?
Ionic
In which states do ionic compounds conduct electricity?
Molten and in solution
Why don’t ionic compounds conduct in solid state?
The ions are not free to move?
Why can’t the ions move in an ionic lattice?
They are held together by electrostatic attractions
In which states do metals conduct electricity?
Solid and molten
In which states do covalent substances conduct electricity?
The DO NOT conduct electricity
Which has the higher melting and boiling points. Covalent networks or covalent molecular?
Covalent networks
Why do covalent networks have high melting and boiling points?
You have to break a lot of covalent bonds which takes a lot of energy
What are covalent network elements?
Carbon and Silicon
Why do metals conduct electricity?
They have electrons that are free to move. (delocalised)
What type of bonding is shown?
Metallic
What are the electrical conductivities of ionic covalent and metallic
• No No is covalent • No Yes is ionic • Yes Yes is metallic
What type of bonding is shown?
Ionic
What type of bonding is shown?
Ionic
What type of bonding is shown?
Ionic
What type of bonding is shown?
Metallic