The statement that "no one will ever find an element between sulfur and chlorine" is not entirely accurate. It's based on our current understanding of the periodic table and how elements are organized. Here's a breakdown:

1. The Periodic Table and Atomic Number:

* The periodic table arranges elements by increasing atomic number, which represents the number of protons in an atom's nucleus.

* Each element has a unique atomic number, meaning there can't be two elements with the same number of protons.

2. Sulfur and Chlorine:

* Sulfur has an atomic number of 16, while chlorine has an atomic number of 17.

3. No Gaps in the Natural Elements:

* We have discovered and characterized all naturally occurring elements. This means there's no "missing" element with an atomic number between 16 and 17.

4. Possibility of Synthetic Elements:

* Scientists have created synthetic elements with atomic numbers higher than those found naturally. However, these elements are extremely unstable and have very short half-lives.

* It is theoretically possible to synthesize an element with an atomic number between 16 and 17. However, this element would likely be extremely unstable and decay quickly.

In Conclusion:

* There are no naturally occurring elements between sulfur and chlorine because all natural elements have been discovered.

* The possibility of synthesizing a new element with an atomic number between 16 and 17 exists, but such an element would be highly unstable.