Index
=>
élements chimiques
Matching exercise
Match the items on the right to the items on the left.
Check
Soufre
???
C
He
H
S
Si
Na
Silicium
???
C
He
H
S
Si
Na
Hydrogène
???
C
He
H
S
Si
Na
Hélium
???
C
He
H
S
Si
Na
Carbone
???
C
He
H
S
Si
Na
Sodium
???
C
He
H
S
Si
Na
Check
OK
Index
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