Reactivity of Halogenoalkanes The halogenoalkanes have different rates of substitution reactions Since substitution reactions involve breaking the carbon-halogen bond the bond energies can b...
Fractional Distillation Crude oil is currently the world's main source of organic chemicals As a mixture, it isn’t a very useful substance, but the different hydrocarbons that make up the mixture, ...
Organic Definitions & Terminology Organic chemistry is the chemistry of carbon compounds Carbon forms a vast number of compounds because it can form strong covalent bonds with itself This enabl...
Group 7: Physical Properties The group 7 elements are called halogens The halogens have uses in water purification and as bleaching agents (chlorine), as flame-retardants and fire extinguish...
Group 2: Trends Chemical trends All elements in Group 2 (also called alkali earth metals) have two electrons in their outermost principal quantum shell All Group 2 metals can form ionic compounds i...
The Periodic Table: Structure & Classification The periodic table is a list of all known elements arranged in order of increasing atomic number, from 1 to 118. In addition to this, the elements...
Oxidation & Reduction There are three definitions of oxidation and reduction used in different branches of chemistry Oxidation and reduction can be used to describe any of the following proces...
Reversible Reactions & Dynamic Equilibrium Reversible reaction Some reactions go to completion where the reactants are used up to form the products and the reaction stops when all of the reacta...
Collision Theory Collision theory The collision theory states that for a chemical reaction to take place the particles need to collide with each other in the correct orientation and with enough ene...
