Ten Most Common Elements

These are the 10 most common elements - you can also view the 10 heaviest elements, the 10 lightest elements, and the Perodic Table of Elements.

The ten most common elements in our galaxy measured by mass, spectroscopically.

• Hydrogen - 739,000 Parts per million by mass
• Helium - 240,000 Parts per million by mass
• Oxygen - 10,700 Parts per million by mass
• Carbon - 4,600 Parts per million by mass
• Neon - 1,340 Parts per million by mass
• Iron - 1,090 Parts per million by mass
• Nitrogen - 970 Parts per million by mass
• Silicon - 650 Parts per million by mass
• Magnesium - 580 Parts per million by mass
• Sulfur - 440 Parts per million by mass