Metal and Non-metallic Elements

Nowadays, more than 100 elements have been found. Elements have certain properties that distinguish between the one elements with the other elements. We can distinguish the elements to the metal elements, metaloid elements and non-metallic elements.

Some of the properties of the metal:
Malleability: the metal can be formed without cracks.
Ductility: the metal can be drawn without a change in the surface.
Toughness: metal can be crooked.
Hardness: resistance to the penetration of metal or other hard objects puncture.

Commonly non-metal elements in gas phase at room temperature. While metaloid elements have the properties between metal elements and non-metallic elements.

In the table of periodic system of the elements, non-metallic elements located on the left side (except hydrogen) and non-metallic elements is located on the right side. Metal and non-metallic elements is separated by the metaloid elements which is located in the middle table of periodic system of the elements.

Metaloid elements are Boron (B), Silicon (Si), Germanium (Ge), Arsenic (As), Antimony (Sb), Tellurium (Te) Polonium (Po), Astatine (At). Some of the metal elements are Sodium (Na), Iron (Fe), Coppre (Cu) etc. Some of the non-metallic elements are hydrogen (H), Helium(He), Oxygen (O), Nitrogen (N) etc.


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