1. What is the common name given to the elements in Group I? A. Halogens C. Nonmetals
B. Alkaline D. Alkali Metals
2. The elements in Group I are not usually found free in nature because they
are_____.
A. very reactive C. very unreactive B. all man made D. rare earth metals
3. Alkali Metals play an important role in the biological life on earth. Which one of the following pairs of properties are both properties of Alkali Metals?
A. Float on water and do not react with air
B. Hard metals and unreactive with water
C. Good conductors of heat and electricity
D. Do not react with water and have low densities
4. Which of the following is not true about Metalloids?
A. They are borderline elements that exhibit both metallic and
nonmetallic properties.
B. Some of these elements are Boron, Silicon and Germanium. C. They usually act as electron donors with nonmetals and as
electron acceptors with metals.
D. They are good conductors of heat and electricity.
5. Carbon pollution is very harmful on both living and nonliving. How can you reduce carbon emissions globally?
A. Reduce, Reuse, Recycle C. Deforestation
B. Use aircon for 24 hours D. Always use your car