Match the following groups with their descriptions.
Column A
1. Halogens
2. Alkali Metals
3. Alkali Earth Metals
4. Noble Gases
Column B
A. Group number 1, very reactive
B. Reactive, but not the most reactive
C. Inert. Do not react with anything
D. Group number 7, very reactive
1. Halogens - D. Group number 7, very reactive
2. Alkali Metals - A. Group number 1, very reactive
3. Alkali Earth Metals - B. Reactive, but not the most reactive
4. Noble Gases - C. Inert. Do not react with anything