Answer :

Hydrogen and Helium make up the sun. Hydrogen makes up 75% of the sun and Helium makes up 25%. 
coa514
The sun is mainly made up of 75 percent hydrogen and 25 percent helium by mass; the sun's is also composed of less than 0.1 percent various metals and elements, including neon, iron, oxygen and carbon. These atoms form hot plasma that is interwoven with the sun´s magnetic fields.
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