# Hydrogen Orbital Diagram

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**Hydrogen Orbital Diagram**. Orbital diagrams are like the configuration notation just introduced, except with the spins of electrons indicated. According to the Aufbau process, sublevels and orbitals are filled with electrons in order of increasing energy.

Orbital diagrams are pictorial descriptions of the electrons in an atom. According to the Aufbau process, sublevels and orbitals are filled with electrons in order of increasing energy. The labels g and u are related to whether the molecular orbital is symmetric or anti-symmetric with respect to an inversion centre.

### Remember that an orbital is a mathematical function that describes the probability of finding an electron in space.

These electrons are stabilized by attractions to both nuclei, and they hold the atoms together with a covalent bond.

According to the Aufbau process, sublevels and orbitals are filled with electrons in order of increasing energy. A molecular orbital diagram, or MO diagram, is a qualitative descriptive tool explaining chemical bonding in molecules in terms of molecular orbital theory in general and the linear combination of atomic orbitals (LCAO) method in particular. The term atomic orbital may also refer to the physical region or space where the electron can be.