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Yttrium, a rare earth metal, has a silver-grey color and metallic luster. It also appears highly crystalline. Yttrium displays chemical properties similar to those of rare earth elements. It dissolves in both mineral acids and alkalis, which are chemical opposites of one another.
Dissolve Examples: Stirring sugar into water is an example of dissolving. The sugar is the solute, while the water is the solvent. Releasing the helium inside a balloon to the atmosphere is also an example of dissolving. The helium gas dissolves in the larger volume of air. Article.