Valency is the combining capacity of the elements to form compounds. During the formation of the molecules of the compounds, atoms combine in certain fixed proportions. Visit BYJUS to learn more about it.
is derived from the Ancient Greek word "molybdos," which means "lead." Carl Wilhelm Scheele discovered it in 1778 and was able to distinguish it from other mineral salts of metals. Molybdenum is a hard, silvery-white transition metal with the sixth-highest melting point of all the elements...
such as germinal centre B cell lymphomas, where H3K27me3-mediated repression of bivalent promoters results in suppression of differentiation15. In contrast, the role of bivalency in tumours that overexpress EZH2 but lack activating mutations has ...