y has various meanings in the Environment category. Discover the full forms, definitions, and usage contexts of y in Environment.
Symbol:"Y" Atomic Number:"39" Atomic Mass: 88.91amu. This is one of the transition elements found in period five of the periodic table. One of the rare Earth metals, yttrium is used in TV tubes, alloys, and has even been found on the Moon. Or Element 39, atomic weight 88.90585, a dark gray metal that is used in alloys and nuclear technology for its high neutron transparency. Yttrium compounds are used in the manufacture of color tv screens, superconducting ceramics, and fireproof bricks.
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