Have you ever noticed how some materials shine, conduct electricity, or can be shaped easily, while others do not? These differences come from two important groups of elements: metals and non-metals. Among the many elements found in nature, most are classified into two categories based on their properties. Metals are widely used in our daily lives for making utensils, machines, and jewellery, while non-metals play an equally important role in processes like respiration, fertilisers, and fuel.
This article is all about the physical and chemical properties of metals and non-metals, along with their differences, uses and their chemistry behind it.
Elements found in the Earth’s crust can exist either in a free state or combined with other elements. Based on their properties, they are broadly classified into metals and non-metals.
Let's take a closure on how metals and non-metals differ from each other.
Both metals and non-metals are essential for life and industry.
|
Property |
Metals |
Non-Metals |
|
Appearance |
Lustrous (shiny) |
Generally dull |
|
Hardness |
Hard and strong (except sodium and potassium) |
Soft (except diamond) |
|
Melting & Boiling Points |
High |
Low |
|
Malleability |
Malleable (can be beaten into sheets) |
Not malleable |
|
Ductility |
Ductile (can be drawn into wires) |
Not ductile |
|
Conductivity |
Good conductors of heat and electricity |
Poor conductors (except graphite) |
|
Density |
High density |
Low density |
|
Uses |
Construction, electrical wiring, and manufacturing |
Insulation, chemical reactions |
|
Property |
Metals |
Non-Metals |
|
Valence Electrons |
1 to 3 valence electrons |
5 to 7 valence electrons |
|
Electron Tendency |
Lose electrons |
Gain electrons |
|
Ions Formed |
Form positive ions (cations) |
Form negative ions (anions) |
|
Type of Oxides |
Form basic oxides |
Form acidic oxides |
|
Chemical Nature |
Act as reducing agents |
Act as oxidizing agents |
|
Molecular Form |
Usually monoatomic in vapour state |
Often polyatomic |
|
Reactivity |
Highly reactive (lose electrons easily) |
Participate in various chemical and biological processes |
Metals are widely used because of their strength and conductivity:
Though used in smaller quantities, non-metals are equally important:
Learn More: Metals and Non-Metals
Uses of Non- Metals
Till now, we have learned how this Metals and non-metals are two fundamental categories of elements that form the basis of chemistry. While metals are known for their strength, conductivity, and wide industrial use, non-metals are essential for life processes and chemical reactions.
When temperature increases, metals expand, and their conductivity may change, which is an important part of the properties of metals and non-metals.
Most nonmetals do not react with water, but some may form acidic solutions, showing differences in properties of metals and nonmetals.
Gold is often called the queen of metals because of its shine and resistance to corrosion, reflecting the unique properties of metals and non-metals. Its stability makes it special among the properties of metals and non-metals.
Metals like gold and platinum do not rust easily due to their low reactivity, which is part of the properties of metals and non-metals.
Some of the rarest metals include rhodium, iridium, and osmium, known for their unique properties of metals and non-metals.
Iron pyrite is called poor man’s gold because it looks like gold but has different properties of metals and non-metals.
Rhodium is considered one of the most expensive metals due to its rarity and demand, reflecting the special properties of metals and non-metals.
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