Uranium is easily oxidized by oxygen.
In powdered form is pyrophoric.
A fresh cleaned uranium piece is silvery-gray; after oxidation in air the surface become near black.
Uranium has no odor.
any color
Actinoids
Uranium is a malleable metal
nuclear energy
For example the radioactivity and instability.
Uranium is a solid metal at room temperature.
Two electrons
Reactions with oxygen are called combustion or oxidisation reactions.
Uranium is used as nuclear fuel.
atomic number: 92 protons mass: 238.1 amu