Giant covalent structures
3 marks · Easy| Carbon Allotrope | Number of covalent bonds per carbon atom | Type of structure |
|---|---|---|
| Diamond | ||
| Graphite | ||
| C60 fullerene |
Complete the table by filling in the number of covalent bonds per carbon atom and the type of structure for each allotrope.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
Must show: Diamond: 4, giant covalent structure, Graphite: 3, giant covalent structure, C60 fullerene: 3, simple molecular structure
Common mistakes: Mixing up number of bonds per atom; Incorrect type of structure
Show mark scheme and worked solution
Marking points
B1 · 1 mark · Diamond: 4 covalent bonds per atom, giant covalent structure
B1 · 1 mark · Graphite: 3 covalent bonds per atom, giant covalent structure
B1 · 1 mark · C60 fullerene: 3 covalent bonds per atom, simple molecular structure
Worked solution
| Carbon Allotrope | Number of covalent bonds per carbon atom | Type of structure |
|---|---|---|
| Diamond | 4 | giant covalent structure |
| Graphite | 3 | giant covalent structure |
| C60 fullerene | 3 | simple molecular structure |