cesium indium alum

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Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr … Wikipedia
Rubidium — krypton ← rubidium → strontium K ↑ Rb ↓ … Wikipedia
boron group element — ▪ chemical elements Introduction any of the five chemical elements constituting Group 13 (IIIa) of the periodic (periodic law) table (see Figure >). The elements are boron (B), aluminum (Al), gallium (Ga), indium (In), an … Universalium
aluminum — aluminic /al yeuh min ik/, adj. /euh looh meuh neuhm/, n. 1. Chem. a silver white metallic element, light in weight, ductile, malleable, and not readily corroded or tarnished, occurring combined in nature in igneous rock, shale, clay, and most… … Universalium

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