Physical Science

Description. Located in period 5 and Group 12 of the periodic table (an array of the relatedness of chemical elements), cadmium is a chemical element with the symbol Cd and atomic number 48. It is a soft, lustrous, malleable, silver-white…
Read more

Nitrogen is a nonmetal found throughout our world. It is common in organisms, especially in proteins, which are rich with amine groups. It is also the most common element of our air, in the form of nitrogen gas. The unique…
Read more

Neon lights have dazzled humankind for years. The glow from these devices attracts people into many establishments. The secret that many would be surprised to know about “neon” lights is that most of these contain gases other than neon. Neon…
Read more

The element calcium has atomic number 20 in the Periodic Table of Elements, which means it has 20 protons in its nucleus. It is group IIA. Its symbol is Ca and its atomic weight is 40.078. It is an alkaline…
Read more

Specific heat capacity, also known as specific heat is the measure of heat or thermal energy that is required to heat a specific unit quantity of a given substance by a given amount usually one degree.  This will tell you…
Read more

Atoms are the smallest units that retain the properties of a particular element. Their interactions create the basis for chemistry and chemical reactions. They are made of positively charged protons in the nucleus and negatively charged electrons that surround the…
Read more

Flourine (F) has a special place in science because it is the most reactive of all the elements, and participates in almost all inorganic and organic chemical reactions. The reactions exclude oxygen, neon, krypton and helium. Its name has originated…
Read more

In defining what is atomic mass, the combined weight of protons,neutrons and electrons needs to be considered – this constitutes the mass of an atom ( ma).  The weight of all of these grouped together in a single atom when…
Read more

Lead is the classic example of a heavy metal. Dense, soft, and dull gray in color, it isn’t anything terribly inspiring to look at. Yet it grabbed the attention of the now ancient alchemists for its very similar properties to…
Read more

During their middle school years in chemistry class, most children are soaking up knowledge like sponge. Unfortunately, this process is often painful for many of the students involved as they see class as something that is boring and a waste…
Read more