Beryllium is a silvery-white, lustrous, relatively soft metal of group 2 of the periodic table. The metal is unaffected by air or water, even at red heat. When copper and nickel are alloyed with ...
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118 Elements and Their Symbols and Atomic Numbers: Definition, Symbol with Atomic Number118 Elements and Their Symbols and Atomic Numbers ... remember the first 20 elements of the periodic table: H - Hydrogen He - Helium Li - Lithium Be - Beryllium ...
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