3. Which element in the periodic table forms maximum number of compounds ?H O S C

The element in the periodic table that forms the maximum number of compounds is Carbon (C). This is due to its ability to form covalent bonds with other elements as well as with other carbon atoms, leading to a vast variety of compounds known as organic compounds.

The element in the periodic table that forms the maximum number of compounds is Carbon (C). This is due to its ability to form covalent bonds with other elements and its capacity to create long chains of molecules, a property known as catenation.