Answers section
Questions 3.7 
- In which group is carbon?
- What is the valency of carbon? How many bonds does it form?
- What type of bond is formed between carbon atoms?
- Suppose each carbon atom is linked to the next carbon atom through one bond. How many atoms will surround each carbon atom?
- Draw a ball-and-stick diagram to represent the bonding in carbon.
- What kind of structure does this lead to?
- Which other elements would you expect to have the structure named in Question 6?
Answers to Questions 3.7 
- Group IV
- 4. Carbon normally forms 4 bonds
- Covalent
- Each carbon atom will be surrounded by four (4) carbon atoms
- Giant atomic structure
- Silicon, Germanium