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 and starting with the most common element, Hydrogen.

• 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