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3.2 Metals
Metals
Paragraph 3.2
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Slide 1:
Slide
Scheikunde
Middelbare school
vwo
Leerjaar 3
This lesson contains
10 slides
, with
interactive quizzes
and
text slides
.
Lesson duration is:
15 min
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Items in this lesson
Metals
Paragraph 3.2
Slide 1 - Slide
Learning goals
At the end of the lesson you can:
State six properties of metals.
Describe what an alloy is.
Derive properties from the nobility of a metal.
Slide 2 - Slide
What properties of metals do know?
Slide 3 - Mind map
Properties of metals
Conduct heat and electricity
Can be shaped easily
Metals in liquid phase mix easily with other metals
Most metals have high melting point
Most metals react with oxygen and water
Metals have a shiny surface
Slide 4 - Slide
Alloy
Mixture of molten metals
Bronze (alloy of cupper and tin)
Slide 5 - Slide
Nobility
Noble metals (do not react with water and oxygen
Base metals (reacts easily with water and oxygen)
Alkali metals (reacts violently with water and oxygen)
Earth alkaline metals (reactivity between base and alkali metals)
Slide 6 - Slide
Noble metals ..?
A
Rust
B
Are cheap
C
Don't shine
D
Don't rust
Slide 7 - Quiz
Which metals are highly reactive metals?
A
Iron (Fe)
B
Mercury (Hg)
C
Potassium (K)
D
Platinum (Pt)
Slide 8 - Quiz
Making exercise
Make 17+20 (12 min in silence)
Finished? Make 16a,b,c,e, 18, 19, 21, 22, 27
Slide 9 - Slide
Reflection
At the end of the lesson you can:
State six properties of metals.
Describe what an alloy is.
Derive properties from the nobility of a metal.
Slide 10 - Slide
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