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Hydrogen
Makes up about 75% of all normal matter by mass.
Facts:
- Simplest element (1 proton, 1 electron)
- The Sun is mostly hydrogen
- Essential for water and organic compounds
Makes up about 75% of all normal matter by mass.
Facts:
- Simplest element (1 proton, 1 electron)
- The Sun is mostly hydrogen
- Essential for water and organic compounds