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5   The Shapes of s, p and d Orbitals Electrons can adopt different shapes travelling around the nucleus. These include s, p, d and f. These patterns are described as orbitals. These orbitals get larger as they progress fro s … Read More

4   Atomic Number and Mass with Examples Atomic Number is the number of protons indicated to the upper right of the Atom Letter. While Atomic Mass is the number of protons and neutron and goes to the lower right of … Read More

3  Electron Orbital Filling Rules As there are more electrons with the atom their inclusion follows electron filling rules. The Aufbau principle states that the lowest energy orbital is filled first, increasing in shells. Any orbital can have up to two … Read More

2   Examples of Electron Orbital Filling Rules Each of the first twenty atoms, from Hydrogen to Calcium, will be considered so the way new electrons are added can be observed. It can be seen how the introduction of additional electrons follow … Read More

. . . Introduction   Original Definition of Organic Chemistry The Science of Chemistry Evolves from Alchemy. Organic Chemistry was the Chemistry of Life and only nature could create it. But Wohler in 1828 made Urea found in life from Ammonium … Read More

Online Organic Chemistry Course with Dr. Paul Bentley