Examlex
A student decides to use InfoPlease to find statistics for her speech on world population growth. What type of resource material is this?
Sulfur
A nonmetallic element with symbol S and atomic number 16, known for its bright yellow crystalline form and used in manufacturing sulfates and sulfuric acid.
Atomic Symbol
A one or two-letter notation representing a chemical element (e.g., H for hydrogen, O for oxygen).
Nickel
A hard, silvery-white metallic element with the elemental symbol "Ni" and atomic number 28, used in alloys and to galvanize iron.
Atomic Symbol
A one or two-letter notation used to represent an element on the periodic table uniquely.
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