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118 Elements and Their Symbols and Atomic Numbers: Definition, Symbol with Atomic Number
The symbol serves as a shorthand notation for each element's name in formulas and ... H - Hydrogen He - Helium Li - Lithium Be - Beryllium ...
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The modern periodic table
The element symbol always starts with a capital letter. Any letters that follow will be lower case letters, for example, helium is He. Some element symbols are simple. For example, oxygen is O ...