Table of Contents
31
Atomic Number
Gallium
| Element & Symbol | Atomic Number | Major Use(s) | |
|---|---|---|---|
| Gallium (Ga) | 31 | Semiconductors (GaAs for LEDs, solar cells), low-melting alloys, thermometers. |
Silvery metal that melts in your hand (~30°C); expands on freezing.
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