Name three categories that are used to classify the elements in the periodic table?

Metals, non-metal and noble gases are the three categories useful for classifying the elements in periodic table.

Explanation:

Elements are defined as a vertical group and a horizontal period in periodic table. Metals, non-metal and noble gases are the three categories useful for classifying the elements in periodic table.

A large number of elements in periodic table flow under the Metals category. Non-metal in the table are mostly gaseous. Noble gases in the table are colorless and non-reactive.

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