Abundance of each element is expressed as a relative number. Astronomy uses a logarithmic abundance scale for abundance $${\displaystyle \epsilon _{X}}$$ of … See more

Modern astronomy relies on understanding the abundance of elements in the Sun as part of cosmological models. Abundance values … See more

The Earth formed from the same cloud of matter that formed the Sun, but the planets acquired different compositions during the formation and evolution of the Solar System. In turn, the history of Earth led to parts of the planet having differing concentrations of … See more

The abundance of chemical elements in the universe is dominated by the large amounts of hydrogen and helium which were produced during Big Bang nucleosynthesis. Remaining elements, making up only about 2% of the universe, were largely … See more

• Abundances of the elements (data page)
• Abundance of elements in Earth's crust
• Natural abundance – isotopic abundance
• Goldschmidt classification – Geochemical classification See more

• List of elements in order of abundance in the Earth's crust (only correct for the twenty most common elements)
• Cosmic abundance of the elements and nucleosynthesis
• WebElements.com Lists of elemental abundances for the … See more