Multiple choice

Two or more forms of a chemical element having different physical properties, but rising to identical chemical compounds are called _____.

  1. allotropes

  2. isotopes

  3. isomers

  4. isotones

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A Correct answer
Explanation

Allotropes are different physical forms of the same element that have identical chemical properties but different physical properties due to variations in atomic arrangement. Diamond and graphite are well-known allotropes of carbon.