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Group 13 of the periodic table
Aluminum
A. Is a metal
B. Has a positive charge
C. Has a silvery apperance
D. In moist air, it combines slowly with oxygen
aluminum is used widely for household items.
aluminum is also used in body frames and parts for cars
Boron
A. Is a nonmetal
B. The charge is negative
C. Has a brownish-redish color and a slightly black covering
D.Boron combines with oxygen
BORON IS USED IN COMPUTER MONITOR GLASS
18% OF BORON IS USED IN BORAX CLEANSERS FOR MARINE USE
12% IS USED IN SODION PAIR BORATE BLEACHES USED IN
COMMERCIAL & HOSPITAL LAUNDRYS
5% IS USED IN EYE WASHES & MEDICINES
3% IS USED IN THE COMPUTER & ELECTRONICS INDUSTRYS
2% IS USED IN LASER MEDICINE SUPPORT
2% IS USED IN BORON FLORIDE MINERAL SUPPLEMENTS
1% IS USED IN EYEGLASS LENSES
1% IS USED IN WRAPPING PAPERS FOR MEAT PACKING PURPOSES
1% IS USED IN RADIATION SHIELDS & FUEL RODS
Gallium
A. Its a metal
B. Its a possitive charge
C. Its has a silverish -bluish with a shiny covering
D. Combines with most non-metals at high temperatures, and it reacts with both acids and alkalis.
Improves the efficiency of computer chips and also used in make your wristwatches
Has 3 valence electrons
Indium
A. It is a metal
B. It has a positive charge
C. Indium is a silvery-white, shiny metal
D. Does not react with oxygen at room temperature. At higher temperatures, it combines with oxygen
mainly used in electronic devices such as ipods
Thallium
A. It is a metal
B. Has a positive charge
C. Has bluish-white metal appearance
D. It reacts with acids and with oxygen