Covalent compounds and special material Flashcards
1
Q
What is a covalent bond?
A
a shared pair of electrons between atoms
2
Q
Covalent bonds occur in:
A
- non-metallic elements, e.g. oxygen, O2
- Compounds of non-metals e.g. Sulfur Dioxide, SO2
3
Q
Are covalent bonds weak or strong?
A
strong
4
Q
What is so different about diamond and silicon dioxide?
A
they have giant covalent structures
5
Q
what do simple molecules contain?
A
a relatively small number of non-metal atoms joined together by covalent bonds
