Chemistry

  • Teaching Staff
  • No Comments

Heats of Dissociation
Heats of Dissociation 1600 695 Teaching Staff

All molecules are held together by bonds. These bonds come in different lengths, strengths, and numbers, but they all share one thing in common: energy. All bonds store energy which…

read more
  • Teaching Staff
  • No Comments

A Quick Start Guide to Bohr-Rutherford Diagrams
A Quick Start Guide to Bohr-Rutherford Diagrams 521 358 Teaching Staff

Bohr-Rutherford diagrams are simple atomic models that show the number of electrons in each shell of an atom. While they are a major simplification of what really happening in an…

read more
  • Teaching Staff
  • No Comments

The Atomic Model: A Timeline History
The Atomic Model: A Timeline History 960 640 Teaching Staff

Atoms. What are they? If you are taking Chemistry then you should know that they are the basic building blocks of all matter. You may have also learnt that the…

read more
  • Teaching Staff
  • No Comments

Le Châtelier’s Principal
Le Châtelier’s Principal 656 720 Teaching Staff

A difficult concept in chemistry is the equilibrium of chemical equations. Chemical reactions do not always react to completion, and they can proceed in either direction if it is written…

read more
  • Teaching Staff
  • No Comments

Types of Chemical Reactions
Types of Chemical Reactions 708 720 Teaching Staff

There are various types of chemical reactions that occur in chemistry, but many reactions tend to follow 1 of 5 main types. Becoming familiar with these types of chemical reactions…

read more
  • Teaching Staff
  • No Comments

Extracting Information From the Periodic Table
Extracting Information From the Periodic Table 1270 748 Teaching Staff

Chemistry isn’t restricted to things that happen in the lab. In fact, everything on this planet is made up of atoms – the same 118 (or more) elements that are…

read more
  • Teaching Staff
  • No Comments

Balancing Chemical Equations
Balancing Chemical Equations 2329 1287 Teaching Staff

Often in chemistry chemical reactions are written in an equation form using chemical symbols. The reactants of the chemical reactants are placed on the left hand side of the reaction…

read more
  • Deborah
  • No Comments

Science Review of Metalloids
Science Review of Metalloids 150 150 Deborah

Overview Metalloids are elements that have some properties of metals and some of nonmetals.  They are on the periodic table along the dividing line between metals and nonmetals. The most…

read more
  • Deborah
  • No Comments

Science Review of Mercury
Science Review of Mercury 150 150 Deborah

Overview The element mercury (Hg) has atomic number 80, and is considered a transition metal.  It is liquid at room temperature.  Although mercury is highly toxic, it is a good…

read more
  • Deborah
  • No Comments

Science Review of Transition Metals
Science Review of Transition Metals 150 150 Deborah

Overview The transition metals occupy a large area on the periodic table.  They all appear to have similar metallic properties, because of the way their electron shells are filled.   Many…

read more
Enter your
text here