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Questions and Answers
What is the most abundant metal in the earth's crust?
What is the most abundant metal in the earth's crust?
Aluminium
Name one highly reactive metal found in nature in the form of its compounds.
Name one highly reactive metal found in nature in the form of its compounds.
Sodium
Give an example of a non-metal found in its free state in the atmosphere.
Give an example of a non-metal found in its free state in the atmosphere.
Oxygen
In what forms does carbon exist in nature?
In what forms does carbon exist in nature?
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Name one non-metal that exists in both free state and combined state in nature.
Name one non-metal that exists in both free state and combined state in nature.
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