Why can’t element 115 exist in nature?

Answered by James Porterfield

Element 115, also known as ununpentium, is a fascinating element that falls into the category of superheavy elements. These elements have atomic numbers greater than 104 and are incredibly short-lived, making it virtually impossible to detect them in nature. While the existence of these elements is not entirely ruled out in the vastness of the universe, their extremely unstable nature and fleeting existence prevent them from being naturally present on Earth.

The reason why element 115 cannot exist in nature stems from its inherent instability. Superheavy elements are created through a process called nuclear fusion, where smaller atoms are smashed together to form larger ones. In the case of element 115, scientists typically use a particle accelerator to bombard a target atom with a beam of high-energy particles. This intense collision causes the nuclei of the atoms to merge and form a new, heavier element.

However, the resulting superheavy element is highly unstable due to the large number of protons and neutrons packed into its nucleus. The forces holding these particles together become increasingly strained as the atomic number increases, leading to a delicate balance between the strong nuclear force and the electromagnetic force. As a result, superheavy elements like 115 rapidly undergo radioactive decay, breaking apart into smaller, more stable elements in a matter of milliseconds or even shorter timeframes.

This extreme instability of element 115 is the primary reason why it cannot exist in nature. If it were naturally present on Earth, its short half-life would cause it to decay almost instantly, leaving no trace behind. This is in stark contrast to stable elements that have existed for billions of years and can be found abundantly in nature.

To further illustrate this point, let me share a personal experience from my time as a brewer. When crafting , we often rely on the stability of certain elements, such as and malted grains, to create a consistent and enjoyable product. Imagine if an element as fleeting as 115 were part of the process. It would be nearly impossible to control its presence, as it would decay rapidly and unpredictably. This highlights the impracticality of having superheavy elements naturally occurring in our environment.

Element 115 cannot exist in nature due to its extreme instability and short half-life. These superheavy elements, including 115, can only be synthesized in a laboratory setting through nuclear fusion experiments. While their existence in the universe cannot be completely ruled out, their fleeting nature makes their presence on Earth highly unlikely.