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Recap chapter 7
What are we going to do today?
Recap chapter 7
Who will win this serie of questions?
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Slide 1:
Slide
Scheikunde
Middelbare school
havo
Leerjaar 3
This lesson contains
27 slides
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interactive quizzes
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Items in this lesson
What are we going to do today?
Recap chapter 7
Who will win this serie of questions?
Slide 1 - Slide
Slide 2 - Slide
Chapter 7 quick review
Slide 3 - Slide
The light is on,
so lemon juice must
contain:
A
charged particles
B
freely moving electrons
C
freely moving charged atoms
D
freely moving charged particles
Slide 4 - Quiz
When do metals conduct electricity?
A
solid and dissolved
B
solid and liquid
C
liquid and dissolved
D
never
Slide 5 - Quiz
Which particles are responsible for electrical conductivity in a liquid metal
A
positively charged metal atoms
B
negatively charged electrons
C
freely moving electrons
D
freely moving electrons en + charged metal atoms
Slide 6 - Quiz
Francium is a
A
precious metal
B
semi-precious metal
C
reactive metal
D
highly-reactive metal
Slide 7 - Quiz
When do salts conduct electricity?
A
solid and dissolved
B
solid and liquid
C
liquid and dissolved
D
never
Slide 8 - Quiz
This is the lattice of a
A
metal
B
salt
C
molecular substance
Slide 9 - Quiz
What is happening
here?
A
electrolysis
B
combustion
C
dissolving
D
evaporation
Slide 10 - Quiz
When do molecular substances conduct electricity?
A
solid and dissolved
B
solid and liquid
C
liquid and dissolved
D
never
Slide 11 - Quiz
Barium chloride (BaCl2) is dissolved in water. Choose the correct chemical equation.
A
BaCl(s) =>Ba+(aq)+Cl-(aq)
B
Ba+(aq)+Cl-(aq) =>BaCl(s)
C
BaCl2(s) =>Ba2+(aq)+2Cl-(aq)
D
Ba2+(aq)+2Cl-(aq) =>BaCl2(s)
Slide 12 - Quiz
Give the molecular
formula of:
Slide 13 - Open question
The melting point of sodium chloride is 801 °C, explain why this is so high.
Slide 14 - Open question
This lattice is of a
A
metal
B
salt
C
molecular substance
Slide 15 - Quiz
Where is the
covalency incorrect?
A
a
B
b
C
c
Slide 16 - Quiz
Does the following substance readily dissolve in water?
A
Yes
B
No
Slide 17 - Quiz
Does the following substance readily dissolve in water?
A
Yes
B
No
Slide 18 - Quiz
The same mass, which has the highest melting point?
A
butan-1-ol
B
diethyl ether
Slide 19 - Quiz
Bronze consists of 78% copper and 22% Zinc. Calculate the amount of copper in 22.5 kg bronze.
Slide 20 - Open question
Which bond(s) is/are broken is ethanol is dissolved in water.
A
hydrogen bonds
B
ionic bonds
C
hydrogen bonds and Vanderwaals bonds
D
Vanderwaals bonds
Slide 21 - Quiz
What is the covalency of Se
A
1
B
2
C
3
D
no covalency
Slide 22 - Quiz
What is the covalency of Sr
A
1
B
2
C
3
D
no covalency
Slide 23 - Quiz
What kind of substance is C2H6
A
Metal
B
Salt
C
Molecular substance
Slide 24 - Quiz
What kind of substance is CaCO3
A
Metal
B
Salt
C
Molecular substance
Slide 25 - Quiz
What kind of substance is Kr
A
Metal
B
Salt
C
Molecular substance
Slide 26 - Quiz
What kind of substance is Hf
A
Metal
B
Salt
C
Molecular substance
Slide 27 - Quiz
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