atomic number 31   (TTS Sound)

The atomic_number_31 has 1 Senses.

• atomic number 31, ga, gallium
• ガリウム
• a rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores
• 希少な銀白色（通常は三価）の金属元素