25Mg26Mg

25Mg26Mg refers to a diatomic molecule composed of two magnesium isotopes, specifically magnesium-25 and magnesium-26. Magnesium is a chemical element with the symbol Mg and atomic number 12. It is an alkaline earth metal and is the eighth most abundant element in the Earth's crust. Naturally occurring magnesium consists of three stable isotopes: 24Mg, 25Mg, and 26Mg. The relative abundances are approximately 79%, 10%, and 11%, respectively.

The molecule 25Mg26Mg is a heteronuclear diatomic molecule, meaning it is formed from two different isotopes of the same element. Such molecules can be synthesized in laboratory settings, often for spectroscopic studies or as components in specialized chemical reactions. The properties of 25Mg26Mg, such as its vibrational and rotational spectra, would differ slightly from those of homonuclear magnesium molecules like 24Mg24Mg due to the difference in mass. These subtle differences are important in fields like molecular physics and spectroscopy for detailed analysis of molecular behavior and interactions. The existence and study of such isotopically labeled molecules contribute to a deeper understanding of chemical bonding and molecular dynamics.