It is a moderately hard, silvery metal which readily oxidizes in air and water.

The ozone readily oxidized the I(-1) to I2, and the filter paper will appear brown/red.

In the presence of base, it oxidizes readily.

Finely dispersed ytterbium readily oxidizes in air and under oxygen.

Curium readily oxidizes, and its oxides are a dominant form of this element.

Chamosite is an olive-green color in thin section that readily oxidizes to limonite.

It is readily oxidized by the atmosphere.

Radium is an almost pure-white alkaline earth metal, but it readily oxidizes on exposure to air, becoming black in color.

Vanadocene is readily oxidized to the monocation when treated with a ferrocenium salt in toluene.

SbH is readily oxidized by O or even air: