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)...
Consequences of surface tension
The force that acts at right angles to an imaginary line of unit length at the surface of liquid at rest is called surface tension....