Multiple choice

Which of the following group 13 elements has the highest melting point?

  1. B

  2. Al

  3. Ga

  4. In

  5. Tl
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Boron (B) is metalloid and has melting point of 2076oC. Al has melting point 660oC, Ga has melting point of 29.8oC, In has the melting point of 156oC and Tl has the melting point of 303oC.  Hence, boron has the highest melting point among the given elements.

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