Index
=>
élements chimique
Matching exercise
Match the items on the right to the items on the left.
Check
litium
???
B
F
Li
Ne
C
Bore
???
B
F
Li
Ne
C
Carbone
???
B
F
Li
Ne
C
Fluor
???
B
F
Li
Ne
C
Néon
???
B
F
Li
Ne
C
Check
OK
Index
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