Examlex
Which of the following is a necessary step in maintaining computer hardware?
Antimony
A chemical element with the symbol Sb and atomic number 51, known for its brittle texture and silvery luster, used in alloys, flame retardants, and electronics.
Metals
Elements that are good conductors of electricity and heat, have a shiny appearance, and are malleable and ductile.
Tin
A chemical element with the symbol Sn and atomic number 50, known for its corrosion resistance and used in alloys and coatings.
Zinc
A metallic element with symbol Zn, necessary for human health and used in alloys such as brass, in galvanization, and in various chemical reactions.
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