1.5 Flashcards
1
Q
What is a crystal coordination number?
A
The number of neighbouring ions with an opposite charge
2
Q
What are the three main allotropes of carbon?
A
Fullerene, diamond, graphit
3
Q
What are the structure and properties of diamond?
A
-Can’t conduct electricity
-Hard
-Tetrahedral
-109.5
4
Q
What are the structure and properties of graphite?
A
-Soft
-Can conduct electricity
-Trigonal planar
-120
5
Q
What are the properties and uses of fullerenes?
A
-Conduct electricity
-High mechanical strength
-Electronics, optics, architecture
6
Q
What are the properties of Iodine (crystal)?
A
-Volatile (Weak VDW)
-Can go through sublimination (Solid to vapour)
-Low melting point
7
Q
What is the structure of ice?
A
Tetrahedral
