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L8 - Group I properties
Lesson 1 - What is IGCSE Chemistry?
4
10
Lesson 8 - Group I Properties
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Slide 1:
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Chemistry
Secondary Education
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Lesson 1 - What is IGCSE Chemistry?
4
10
Lesson 8 - Group I Properties
Slide 1 - Diapositive
Today, I'm going to...
know
the name of the Group I elements,
be
able to
make sense of the trends down the group in terms of properties and
understand
why the properties of other elements in the same group can help you predict the identity of an unknown element.
Lesson 8 - Group I properties
Slide 2 - Diapositive
I can
state
the name of group I elements.
I can
identify
the group trend regarding hardness, melting and boiling points, density, and reactivity.
Given information about the other elements, I can
predict
the properties of rubidium and caesium.
I am successful if...
Slide 3 - Diapositive
Slide 4 - Diapositive
Are the elements of the Periodic Table arranged according to density? Explain your choice.
Slide 5 - Question ouverte
Slide 6 - Diapositive
Group I elements
Slide 7 - Diapositive
Group I elements
Alkali Metals
Slide 8 - Diapositive
Group I elements
Alkali Metals
Slide 9 - Diapositive
Group I elements
Alkali Metals
Slide 10 - Diapositive
Group I elements
Alkali Metals
Why Alkali?
Slide 11 - Diapositive
Group I elements
Alkali Metals
+ water
+ water
+ water
+ water
+ water
+ water
Why Alkali?
Slide 12 - Diapositive
Group I elements
Alkali Metals
+ water
alkaline
+ water
+ water
+ water
+ water
+ water
alkaline
alkaline
Why Alkali?
Slide 13 - Diapositive
Group I elements
Alkali Metals
+ water
alkaline
+ water
+ water
+ water
+ water
+ water
alkaline
alkaline
Why Alkali?
Slide 14 - Diapositive
www.rsc.org
Slide 15 - Lien
timer
4:30
Slide 16 - Diapositive
www.bookwidgets.com
Slide 17 - Lien
Slide 18 - Diapositive
Which symbol represents the most reactive alkali metal?
A
Ca
B
Cr
C
Cs
D
Cu
Slide 19 - Quiz
How does the melting point change down the alkali metals group?
Slide 20 - Question ouverte
How does the density change down the alkali metals group?
Slide 21 - Question ouverte
Which words can be used to describe a Group I element?
conductor
dense
dull
hard
inert
insulator
lustrous
reactive
soft
britt;e
Slide 22 - Question de remorquage
Which symbol represents the element with an electron arrangement of 2, 8, 1?
A
Cs
B
K
C
Li
D
Na
Slide 23 - Quiz
Using the following electronic configuration:
Li = 2, 1 Na = 2, 8, 1 K = 2, 8, 8, 1
Explain how you can tell that all these elements belong to Group I.
Slide 24 - Question ouverte
Slide 25 - Diapositive
Slide 26 - Diapositive
Observations must include:
Gas production
Heat produced by the reaction
Production of alkaline solution
Production of flame
SDA 1.2 (Practical)
Potassium + water
Slide 27 - Diapositive
Slide 28 - Diapositive
Slide 29 - Diapositive
Slide 30 - Diapositive
Slide 31 - Diapositive
How does the reactivity change down the alkali metals group?
Slide 32 - Question ouverte
Slide 33 - Diapositive
I can
state
the name of group I elements.
I can
identify
the group trend regarding hardness, melting and boiling points, density, and reactivity.
Given information about the other elements, I can
predict
the properties of rubidium and caesium.
I am successful if...
Slide 34 - Diapositive
Self-check
Open your notebook.
Look for this.
Read.
Reflect.
Complete.
Slide 35 - Diapositive
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