Chemistry · Group 13 to Group 18 Elements
Which of the following has allotropes?
Which of the following has allotropes?
- A. Aluminium
- B. Boron
- C. indium
- D. Thallium
Step-by-step solution
Boron exhibits allotropy with several forms such as amorphous, α-rhombohedral, β-rhombohedral, and tetragonal boron. The other elements (aluminium, indium, thallium) are metals that do not have allotropes under normal conditions.
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