1. Why are elements in groups 1A through 8A called representative elements?
2. What determines the chemical behavior of an element?
3. Why are alkali metals stored in oil?
4. What do group 1A and group 2A elements have in common? Give at least three examples?
5. What types of ions make water hard? What is the main problem with using hard water?
6. Name three factors that make magnesium a good choice for alloys.
7. Place group 1A and group 2A in order.
2. What determines the chemical behavior of an element?
3. Why are alkali metals stored in oil?
4. What do group 1A and group 2A elements have in common? Give at least three examples?
5. What types of ions make water hard? What is the main problem with using hard water?
6. Name three factors that make magnesium a good choice for alloys.
7. Place group 1A and group 2A in order.