Definition of eject. 1  transitive verb. 2  1a : to throw out especially by physical force, authority, or influence ejected the player from the gameb : to evict from property. 3  2 : to throw out or off from within ejects the empty cartridges.
Aluminum is reactive and will react spontaneously with water and/or air to form aluminum oxide. Aluminum oxide, Al2O3, forms a stable passive layer that protects aluminum from corrosion or further oxidation. This layer is about 4 nm thick and will provide corrosion protection as long as this oxide layer is stable.
A: The halogen group of elements is the most reactive of the nonmetals. It is also the most reactive group of all chemical elements. Fluorine is the most reactive element in this group. Halogens are highly reactive because they are all electronegative.