Most common element

- Who
- Hydrogen
- What
- 90 percentage
- Where
- The Universe,
- When
- 01 January 0001
Commonest element
Hydrogen is the commonest element in both the Universe (over 90%) and the Solar System (70.68%). Iron is the commonest element in the earth, accounting for 36% of the mass, whilst molecular nitrogen (N2) is the commonest in the atmosphere at 78.08% by volume or 75.52% by mass.
Hydrogen is the commonest element in both the Universe (over 90%) and the Solar System (70.68%). Iron is the commonest element in the earth, accounting for 36% of the mass, whilst molecular nitrogen (N2) is the commonest in the atmosphere at 78.08% by volume or 75.52% by mass.