A Different Perspective on the Periodic Table of Elements

The Elements According to Relative Abundance
The Elements According to Relative Abundance | Image Source: Science History Institute

When you think of the Periodic Table of Elements, you probably envision the neat rows and columns of chemical symbols, arranged in a way that depicts their properties and relationships. But what if we could see it through a different lens—one that scales the elements to show their actual abundance on Earth?

This unique approach was pioneered by Professor William F. Sheehan at Santa Clara University in 1970. Designed to provide a more realistic understanding of elemental abundance, Sheehan’s chart invites us to rethink the way we traditionally view the Periodic Table.

Visualizing Elemental Abundance

In the classic Periodic Table, each element occupies an equal space, suggesting that they are all equally available. However, the reality is far from this simplistic representation. Professor Sheehan’s version scales each element according to its abundance on Earth’s surface. This means elements like Oxygen, Silicon, and Aluminum dominate the visual landscape, reflecting their prevalence and significance in our planet’s composition.

Below Sheehan’s chart, you’ll find a telling quote that encapsulates the essence of his visualization approach: “The chart emphasizes that in real life a chemist will probably meet O, Si, Al [Oxygen, Silicon and Aluminum] and that he better do something about it.” This statement underscores the practical importance of these abundant elements in scientific and industrial applications.

Why Elemental Abundance Matters

Understanding elemental abundance is crucial for several reasons:

  • Resource Management: Knowledge of which elements are abundant can guide sustainable resource extraction and utilization.
  • Scientific Research: For educators and students, this perspective offers insights into which elements are more likely to be encountered in various scientific studies.
  • Technological Advancement: By focusing on the most prevalent elements, researchers and developers can better prioritize their efforts in material science and engineering.

Exploring the Periodic Table Through Creative Takes

Professor Sheehan’s work is just one example of how the Periodic Table can be creatively interpreted. Here are a few more innovative visualizations that offer fresh perspectives:

  1. The Periodic Table of Endangered Elements: This table highlights elements at risk of depletion due to overuse and scarcity, drawing attention to the need for conservation and recycling.
  2. The Periodic Table of Food: Linking elements to their roles in nutrition, this version educates about the essential minerals needed for health.
  3. The Periodic Table of Solar System: This interpretation shows the abundance of elements across different celestial bodies, offering insights into planetary composition and formation.

Engaging with Elemental Abundance

For science enthusiasts, educators, and students, exploring these varied interpretations of the Periodic Table is a fascinating way to deepen one’s understanding of the world. Whether you’re developing educational materials or simply curious about the natural composition of our planet, there is much to gain from studying elemental abundance.

To see Professor Sheehan’s chart—and explore other creative takes on the Periodic Table—in more detail, click here. Engage with these unique perspectives and discover the implications of elemental abundance on Earth and beyond.


By approaching the Periodic Table through the lens of abundance, we not only enrich our understanding of chemistry but also gain valuable insights into the resources that sustain our planet. Whether you’re teaching the next generation of scientists or simply broadening your own knowledge, these interpretations offer a compelling addition to the traditional view of the elements.

Ali Kaya

Author

Ali Kaya

This is Ali. Bespectacled and mustachioed father, math blogger, and soccer player. I also do consult for global math and science startups.