Symbol: A one or two-letter abbreviation ... which increase sequentially from 1 (Hydrogen) to 118 (Oganesson). Each element ...
Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table’s arrangement also allows scientists to discern trends in ...
join with another hydrogen atom as a pair, making a molecule. Sometimes it is easy to tell which element a symbol stands for. For example, C stands for carbon and Li stands for lithium.
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