BE has various meanings in the Military category. Discover the full forms, definitions, and usage contexts of BE in Military.
Symbol:"Be" Atomic Number:"4" Atomic Mass: 9.01amu. Beryllium is ember of the alkaline metals family. Beryllium is a silvery, very light metallic element. You might find the element in nuclear reactors, springs, satellites, and the space shuttle. Element 4, atomic weight 9.0122, an extremely toxic metal used as a neutron source and in phosphors.
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