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118 Elements and Their Symbols and Atomic Numbers: Definition, Symbol with Atomic Number
118 Elements and Their Symbols and Atomic Numbers ... the first 20 elements of the periodic table: H - Hydrogen He - Helium Li - Lithium Be - Beryllium ...
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PLSR:CA Pulsar Helium Inc.
Pulsar Helium Inc. engages in the identification, acquisition, exploration, and development of helium exploration projects in the United States of America and Greenland. Its flagship project is ...
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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 ...