Metals and Non-metals Lesson Presentation in a Blue Bold Style_20251101_220102_0000.pdf

Presentation

1. Metals &
Non-metals
Metals &
Non-metals
Comparing Properties

2. OneOne TwoTwo ThreeThree
State where metals and
non-metals are located
in the periodic table.
Describe the
differences in
properties in metals
and non-metals.
Explain metal
properties in terms of
electrons.
Learning PointsLearning Points

3. MetalsMetals
Metals & the Periodic TableMetals & the Periodic Table
Metals are located on the left hand side and in the middle of the
periodic table.
The elements in
group 1 and 2 are
metals, as well as the
transition metals in
the middle.

4. Non-metals & the Periodic TableNon-metals & the Periodic Table
Non-metals are located on the right hand side of the periodic table.
Non-metalsNon-metals
Non-metals can be
found in the earlier
periods in groups 4
to 7. All of group 0
are non-metals.

5. Copper
Metal ExamplesMetal Examples
Iron Zinc
GoldPotassiumSodium

6. Oxygen
Non- metal ExamplesNon- metal Examples
Nitrogen Carbon
NeonBoronHelium

7. Good electrical conductors
Good heat conductors
Shiny (lustrous)
High density
Malleable
Ductile
MetalsMetals
Poor electrical conductors
Poor heat conductors
Dull in appearance
Low density
Brittle
Comparing PropertiesComparing Properties
Non-MetalsNon-Metals

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The key properties of metals, are due to their specific structure.
Metal StructureMetal Structure
Positive metal ions
Delocalised electrons

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Metals are good conductors of electricity.
ConductivityConductivity
Delocalised electrons are free to
move around. When they move
around, they carry electrical
charge.
ReasonReason

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Metals have a high melting point.
Melting PointMelting Point
There is a strong electrostatic attraction
between the delocalized electrons and
the positive metal ions. A large amount
of thermal energy is required to
overcome this.
ReasonReason

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Metals are malleable. They can be hammered into shape.
MalleabilityMalleability
The metal atoms (or ions) slide
over each other when a force is
applied. This allow metals to
change shape on impact.
ReasonReason

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Metals generally have a shiny (lustrous) appearance.
Shiny AppearanceShiny Appearance
Metals have delocalised
electrons on the surface which
reflect light energy.
ReasonReason

13. Thank you for
listening!
Thank you for
listening!
Metals and Non-metals

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