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)....
Excitation and Ionization Potential
Excitation Potential The energy required to raise an atom from its ground state to an excited state is called the excitation energy. Under normal conditions,...
Factors affecting Ionization Energy
The ionization energy depends upon the following factors: A) Size of the atom The ionization energy depends on the distance between the electron and the...