Which of the following Group 13 elements is used in the manufacture of mirrors?
Boron
Aluminum
Gallium
Indium
Indium is used in the manufacture of mirrors due to its ability to form a reflective coating.
Option (a) is incorrect because Boron is not commonly used in the manufacture of mirrors.
Option (b) is incorrect because Aluminum is not commonly used in the manufacture of mirrors.
Option (c) is incorrect because Gallium is not commonly used in the manufacture of mirrors.