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P-Block Elements

P-Blocks P-block elements are those substances found in groups 13, 14, 15, 16, and 17 (excluding helium) and in which the final electron resides in p-orbitals. P-block elements have been separated into six groups since p-block orbitals can hold a maximum of six electrons in total. Each p-block element group is identified by its initial


Biomolecules and Polymers

Biomolecules and its types Biomolecules are those inert molecules that are the real warriors in the struggle for the continuation of life. From microscopic macromolecules like proteins, nucleic acids, carbohydrates, and lipids to large macromolecules like primary and secondary metabolites, hormones, and other macromolecules, they range in size. Lipids, proteins, nucleic acids, and carbohydrates make


S – Block Elements

Introduction While group two, or the metals of alkaline earth, are S-block elements with two electrons in their s-orbitals, group one, or alkali metals, are S-block elements with just one electron in their s-orbital. In an ascending sequence of energy, the electrons in an atom occupy a number of sub-orbitals of the possible energy levels.