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: Diapositive
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Cette leçon contient 27 diapositives, avec quiz interactifs et diapositives de texte.

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What are we going to do today?
  • Recap chapter 7
  • Who will win this serie of questions?         

Slide 1 - Diapositive

Slide 2 - Diapositive

Chapter 7 quick review

Slide 3 - Diapositive

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 - Question ouverte

The melting point of sodium chloride is 801 °C, explain why this is so high.

Slide 14 - Question ouverte

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 - Question ouverte

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