William completed his Bachelor of Science and Master of Arts in 2013. He current serves as a lecturer, tutor and freelance writer. In his spare time, he enjoys reading, walking his dog and parasailing. Article last reviewed: 2022 | St. Rosemary Institution © 2010-2025 | Creative Commons 4.0

ORGANIC REACTIONS

To simplify the multitude of possible combinations of reactants, organic reactions fall under specific types. Combustion Substitution Addition Elimination Oxidation/reduction Condensation (dehydration synthesis) Hydrolysis (hydration) Polymerization Another tool to simplify your task of predicting products is to remember that functional groups will always react the same way. e.g. all 1o alcohols will react the same…

Valence Shell Electron Pair Repulsion (VSEPR) Theory

Valence shell electron pair repulsion (VSEPR) theory is a model in chemistry used to predict the shape of individual molecules based upon the extent of electron-pair electrostatic repulsion. It is also named Gillespie-Nyholm theory after its two main developers. The premise of VSEPR is that the valence electron pairs surrounding an atom mutually repel each…

Ancient Israel: History & Events

Ancient Israel is the birthplace of the 3 great monotheistic religions of the world:  Judaism, Christianity and Islam Ancient Israel dates back approximately 4000 years to the books of the Old TestamentGreat patriarchs of Judaism:  Abraham, Jacob, Moses, Joshua Hebrews, Israelites, Jews, Semites:  have all undergone persecution throughout history; from Babylonian Captivity, Exodus, Diaspora, Spanish…