Tagged: Inactive metals

October 14, 2019

Physical & Chemical properties of Matter (Density, Melting point, Boiling point, Hardness, Electric & thermal conduction)

Matter is anything that has a mass & occupies a space, Mass is the amount of matter that the body contains, The measuring unit of mass is gm or kg, Volume is the space...

The Matter

March 12, 2015

The classification of metals according to their chemical activity

The metals and chemical activity Metals can be classified according to their chemical activity into three groups which are very active metals, less active metals, and inactive metals.

The Matter

September 27, 2014

Properties of metals during chemical reactions & reaction of active metals

The metals Metals are the elements that have less than four electrons in their outermost energy levels, During the chemical reactions, the atoms of the metallic elements tend to lose their outermost electrons, and...