P- Periodicity =) Flashcards
1
Q
Explain why silicon has a high melting point. (3)
A
- macromolecular
- covalent bonds need to be broken to melt
- strong–> require a lot of energy to break
2
Q
State the meaning of the term periodicity. (1)
A
Repeating pattern/ trends of physical/ chemical properties
3
Q
A
