Chemical Reactions and Chemical Formulae
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Lesduur is: 50 minOnderdelen in deze les
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Yes
Yes
No
No
2
1
3
Left
Right
Slide 8 - Sleepvraag
Slide 9 - Tekstslide
Which of the following statements best describes the conservation of atoms?
A
Atoms are rearranged.
B
The total number of atoms of each element does not change, they are simply rearranged.
C
The number of atoms of each element can be different as long as the total number of atoms is the same.
D
New atoms are produced as products
Slide 10 - Quizvraag
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What is wrong with the equation:
Slide 15 - Open vraag
What is wrong with the equation:
Slide 16 - Open vraag
What is wrong with the equation:
Slide 17 - Open vraag
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How many atoms of each element are there in:
KH
KH
A
One hydrogen one helium
B
One hydrogen one sodium
C
One potassium one helium
D
One potassium one hydrogen
Slide 25 - Quizvraag
How many atoms of each element are there in:
NaOH
NaOH
Slide 26 - Open vraag
Slide 27 - Tekstslide
Slide 28 - Tekstslide
State the number of atoms of each element in:
A
2 Hydrogen, 2 Oxygen
B
2 Hydrogen, 1 Oxygen
C
1 Hydrogen, 1 Oxygen
D
1 Hydrogen, 2 Oxygen
Slide 29 - Quizvraag
How many atoms of each element are present in:
Slide 30 - Open vraag
Slide 31 - Tekstslide
Slide 32 - Tekstslide
How many oxygen atoms are present in:
A
2
B
6
C
4
D
8
Slide 33 - Quizvraag
How many atoms of each element are in:
A
3 Cu, 6 Cl
B
6 Cu, 6 Cl
C
3 Cu, 2 Cl
D
6 Cu, 2 Cl
Slide 34 - Quizvraag
How many atoms of each element are in:
