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Metals and Non-metals Class 10 PPT

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m e t a l s
a n d
n o n - m e t a l s
Class-10
Page 2


m e t a l s
a n d
n o n - m e t a l s
Class-10
Metals and non-metals are two broad categories of
elements in the periodic table, distinguished by their
physical and chemical properties. 
Metals and Non-metals
Page 3


m e t a l s
a n d
n o n - m e t a l s
Class-10
Metals and non-metals are two broad categories of
elements in the periodic table, distinguished by their
physical and chemical properties. 
Metals and Non-metals
State: Metals are generally in the solid
state at room temperature, except for
mercury (Hg), which is a liquid.
Hardness: Metals are typically hard, with
exceptions like lithium (Li), potassium (K),
and sodium (Na), which are relatively soft.
Luster: Metals exhibit metallic luster, which
gives them a shiny appearance.
Malleability: Metals can be hammered or
beaten into thin sheets without breaking.
Ductility: Metals can be drawn into wires,
making them ductile.
Physical Properties of Metals
Page 4


m e t a l s
a n d
n o n - m e t a l s
Class-10
Metals and non-metals are two broad categories of
elements in the periodic table, distinguished by their
physical and chemical properties. 
Metals and Non-metals
State: Metals are generally in the solid
state at room temperature, except for
mercury (Hg), which is a liquid.
Hardness: Metals are typically hard, with
exceptions like lithium (Li), potassium (K),
and sodium (Na), which are relatively soft.
Luster: Metals exhibit metallic luster, which
gives them a shiny appearance.
Malleability: Metals can be hammered or
beaten into thin sheets without breaking.
Ductility: Metals can be drawn into wires,
making them ductile.
Physical Properties of Metals
Melting Point: Most metals have high melting points,
except for gallium (Ga) and cesium (Cs), which melt at
low temperatures.
Boiling Point: Metals generally have high boiling points.
Conductivity: Metals are excellent conductors of heat,
with silver (Ag) and copper (Cu) being the best
conductors. However, lead (Pb) and mercury (Hg) are
poor conductors.
Electrical Conductivity: Metals are good conductors of
electricity, with silver (Ag) and copper (Cu) being the
best.
Sonorous: Metals produce sound when beaten.
Physical Properties of Metals
Page 5


m e t a l s
a n d
n o n - m e t a l s
Class-10
Metals and non-metals are two broad categories of
elements in the periodic table, distinguished by their
physical and chemical properties. 
Metals and Non-metals
State: Metals are generally in the solid
state at room temperature, except for
mercury (Hg), which is a liquid.
Hardness: Metals are typically hard, with
exceptions like lithium (Li), potassium (K),
and sodium (Na), which are relatively soft.
Luster: Metals exhibit metallic luster, which
gives them a shiny appearance.
Malleability: Metals can be hammered or
beaten into thin sheets without breaking.
Ductility: Metals can be drawn into wires,
making them ductile.
Physical Properties of Metals
Melting Point: Most metals have high melting points,
except for gallium (Ga) and cesium (Cs), which melt at
low temperatures.
Boiling Point: Metals generally have high boiling points.
Conductivity: Metals are excellent conductors of heat,
with silver (Ag) and copper (Cu) being the best
conductors. However, lead (Pb) and mercury (Hg) are
poor conductors.
Electrical Conductivity: Metals are good conductors of
electricity, with silver (Ag) and copper (Cu) being the
best.
Sonorous: Metals produce sound when beaten.
Physical Properties of Metals
State: Non-metals can exist as solids, liquids, or
gases at room temperature. Examples include
carbon (solid), sulfur (solid), bromine (liquid),
oxygen (gas), hydrogen (gas), and nitrogen (gas).
Hardness: Non-metals are generally soft, with
diamond being an exception as the hardest natural
substance.
Luster: Non-metals do not have metallic luster,
except for iodine crystals, which can appear shiny.
Physical Properties of Non-Metals
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FAQs on Metals and Non-metals Class 10 PPT

1. What are metals and non-metals?
Ans. Metals are a group of elements that are usually solid, shiny, malleable, and good conductors of heat and electricity. Non-metals, on the other hand, are elements that are generally not shiny, brittle, poor conductors of heat and electricity, and can exist in all three states of matter.
2. What are some common examples of metals?
Ans. Some common examples of metals include iron, copper, aluminum, gold, silver, and zinc. These metals are widely used in various industries for their properties such as strength, conductivity, and resistance to corrosion.
3. How do metals and non-metals differ in terms of their chemical properties?
Ans. Metals tend to lose electrons to form positively charged ions, whereas non-metals tend to gain electrons to form negatively charged ions. Metals generally react with acids to produce hydrogen gas, whereas non-metals often react with metals to form ionic compounds.
4. What are the physical properties of metals?
Ans. Metals have several physical properties, including high luster or shine, high density, malleability (ability to be hammered into thin sheets), ductility (ability to be drawn into wires), and high electrical and thermal conductivity.
5. What are the main uses of non-metals?
Ans. Non-metals have various uses depending on their properties. For example, oxygen is essential for respiration, nitrogen is used in fertilizers, chlorine is used in water purification, carbon is the basis of organic chemistry, and sulfur is used in the production of sulfuric acid. Non-metals also play crucial roles in biological processes and the environment.
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