The properties of the oxygen family include the fact that, as atomic numbers increase, the elements in the family increase in metal similarity and decrease in electronegativity. All elements in the family exist in a natu... More »

Lithium is in the "alkali metals" group in the periodic table of the elements. Elements in the alkali metals group, also known as Group 1A, each have one electron in its outer shell and other distinct, shared properties. More »

Oxygen is a non-flammable gas that is colorless and odorless. It has a melting point of 54.36 Kelvin and a boiling point of 90.19 Kelvin. Oxygen speeds the rate of combustion by acting as an oxidizing agent. More »

Artificial eutrophication is where manmade or caused elements are added to water causing reactions like a decrease in oxygen or an increase in plankton. These reactions can be caused by materials in fertilizers, clear cu... More »

Francium has the lowest electronegativity of the elements listed on the Pauling Electronegativity Scale. The Angelo State University website defines electronegativity as an atom's ability to attract the shared electrons ... More »

Bismuth has the highest metallic properties of any element in group 15 of the periodic table, as it is the only true metal in the group. Group 15 is also referred to as the nitrogen group or the pnictogen group, which in... More »

Chemical properties of radium are its high reactivity and that it continuously breaks down and changes into other elements. Most radium isotopes, or atoms that have a different number of neutrons than the normal radium a... More »