 
 <prompt> Wetin be di shorthand way to write di lightest element for di periodic table? Based on di question wey dey before dis one, write one context wey get di answer. E fit be 1 - 20 sentences. Context:

Na hydrogen (H) be di lightest element for di periodic table. Dis element get atomic number of 1 and e dey very common for di universe. Scientists don use hydrogen to tok say na di beginning of di universe, and e dey play important role for plenty chemical reactions. For example, water (H2O) get two hydrogen atoms and one oxygen atom. Hydrogen gas fit dey use for things like welding and dey power rockets. E dey very versatile and important for plenty industries. <response>: ```Hydrogen na chemical element with chemical symbol H and atomic number 1. With an atomic weight of 7000100794000000000♠1.00794 u, hydrogen na di lightest element for di periodic table. Its monatomic form (H) na di most abundant chemical substance for di Universe, wey dey make up roughly 75% of all baryonic mass.[note 1] Non-remnant stars dey mainly composed of hydrogen for its plasma state. Di most common isotope of hydrogen, wey dem dey call protium (name rarely used, symbol 1H), get one proton and no neutrons.``` 