🧪 Complete the chemical equations by clicking on the
?
and then on the proposed formulas.
🇫🇷 French Version
The model and symbol of four atoms ⚛️
Atom
Symbol
Model
Nitrogen
N
Carbon
C
Hydrogen
H
Oxygen
O
Model 1 🔎:
Chemical equation ⚖️:
+
→
Model 2 🔎:
Chemical equation ⚖️:
+
→
Model 3 🔎:
Chemical equation ⚖️:
+
→
Model 4 🔎:
Chemical equation ⚖️:
+
→
+
Model 5 🔎:
Chemical equation ⚖️:
+
→
+
C
O
2
CO
2
O
2
2
H
2
2
H
2
O
2
C
O
2
2
CO
CH
4
2
O
2
CO
2
2
H
2
O
2
CH
4
3
O
2
2
CO
4
H
2
O
H
O
N
O
2
2
O
o
2
CO
2
C
2
O
2
CO
2
C
2
O
2
C
2
O
2
O
2
2
O
o
2
H
4
H
4
2
H
2
2
HO
2
H
4
O
2
2
H
2
O
C
2
C
2
2
C
2
O
2
2
O
o
2
CO
2
C
2
O
2
CO
2
C
2
O
2
C
2
O
2
NH
4
C
4
H
CH
4
2
O
2
O
4
Co
2
C
2
O
2
CO
2
C
2
O
2
C
2
O
2
2
H
2
o
4
HO
2
H
4
O
2
3
H
2
O
2
CH
4
C
2
H
8
2
C
4
H
2
O
3
O
6
3
o
2
CO
2
C
2
O
2
CO
2
C
2
O
2
C
2
O
2
4
H
2
o
4
HO
2
H
8
O
4
3
H
2
O
partie
📊 RESULT:
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