Question : Which element of Group 13 is a soft metal with a low melting point (303 K) and is widely used in doping semiconductors and producing solid-state devices such as transistors?
Option 1: Aluminium
Option 2: Boron
Option 3: Thallium
Option 4: Gallium
Correct Answer: Gallium
Solution : The correct answer is Gallium .
The element from Group 13 with a low melting point of 303 K (30°C) that is widely used in doping semiconductors and producing solid-state devices such as transistors is indeed gallium.
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