Trends in Physical Properties of Group 17 Elements
During the period 1811-1886, the halogens were discovered. They are non-metallic elements such as: Fluorine (F), Chlorine (Cl), Bromine (Br), Iodine (I) and astatine (At)...
Trends in Physical Properties of Group 15 Elements
Group 15 of the modified long form periodic table consists of five elements: Nitrogen (N), Phosphorus (P), Arsenic (As), Antimony (Sb) and Bismuth (Bi). These...
Trends in Physical Properties of Group 13 Elements
Group 13 of the long form of the periodic table consists of five elements: Boron (B), Aluminium (Al), Gallium (Ga), Indium (In) and Thallium (Tl)....
Division of Periodic Table into Blocks
The long form of periodic table can be divided into four main blocks. These four main blocks are s, p, d and f –blocks. The...
Classification of oxides
A binary compound of oxygen with another element is known as an oxide. There are various types of oxides. They are as follows: A) Basic...