[Maximum number: 1]
Three statements about diamond, graphite and silicon(IV) oxide are listed.
1 Diamond and graphite both have giant covalent structures.
2 In silicon(IV) oxide, silicon and oxygen atoms are joined together by covalent bonds throughout the whole structure.
3 Diamond and silicon(IV) oxide have similar structures.
Which statements are correct?
A
1, 2 and 3
B
1 and 2 only
C
1 and 3 only
D
2 and 3 only