Periodic Table

The periodic table arranges all the elements by their chemical and physical properties. Learning Objective: To understand the organization of elements in the periodic table and identify their properties. Elements Elements are everywhere: some we can see, such as, silver, gold (Figure 1), sodium, while others are invisible, such as, oxygen, helium, hydrogen. An element … Read More

Atomic Structure

Atomic structure consists of a nucleus, protons, neutrons and electrons. Atoms are basic building blocks of matter. This course introduces the concept of atomic structure and covers the following topics: matter atoms, subatomic particles atomic number and mass number isotopes various atomic theories Matter Matter is anything that has mass and takes up space (has … Read More