·
Let's study 3 types of bonding in the I/GCSE chemistry curriculum!
Ionic
- An ionic bond is the electrostatic force of attraction that occurs between two ions.
- It’s strength depends on the charges on ions
- High melting and boiling points
- Soluble in water
- Conduct electricity when in solution or molten
- Between a metal and non-metal
![broken image](http://custom-images.strikinglycdn.com/res/hrscywv4p/image/upload/c_limit,fl_lossy,h_9000,w_1200,f_auto,q_auto/4936730/603444_727138.png)
Covalent
- A covalent bond is a shared pair of electrons between the nuclei of two atoms.
- Strength depends on how many shared pairs of electrons
- Have strong bonds between atoms but have weak intermolecular forces.
- Often found as diatomic molecules
- Insoluble in water
- Do not conduct electricity
- Between two non-metals according to the I/GCSE chemistry curriculum
![broken image](http://custom-images.strikinglycdn.com/res/hrscywv4p/image/upload/c_limit,fl_lossy,h_9000,w_1200,f_auto,q_auto/4936730/686174_266793.png)
Metallic
The electrostatic force of attraction between the lattice of ions and delocalised sea of electrons
Regular arrangement (lattice) of ions
Surrounded by a delocalised sea of electrons
Conduct electricity and heat because of mobile electrons
Malleable because layers of ions can slide over each other
- Between 2 or more metals
Strength depends on the metal ion and the amount of electrons in the delocalised sea.
![broken image](http://custom-images.strikinglycdn.com/res/hrscywv4p/image/upload/c_limit,fl_lossy,h_9000,w_1200,f_auto,q_auto/4936730/208471_457373.png)
End of this topic!
![broken image](http://custom-images.strikinglycdn.com/res/hrscywv4p/image/upload/c_limit,fl_lossy,h_9000,w_1200,f_auto,q_60/4936730/932963_315632.gif)