gallium

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

वैज्ञानिक जेम्स वाट्सन अपनी पुस्तक में वर्णन करते हैं-जीवन एक समन्वित रासायनिक क्रिया है|

The properties of gallium and Mendeleev 's theoretical eka - aluminium were surprisingly identical, except for the density.