Index
=>
élement chimique
Matching exercise
Match the items on the right to the items on the left.
Check
sodium
???
S
Na
Ne
He
N
Ca
Hélium
???
S
Na
Ne
He
N
Ca
Calcium
???
S
Na
Ne
He
N
Ca
Néon
???
S
Na
Ne
He
N
Ca
Azote
???
S
Na
Ne
He
N
Ca
Soufre
???
S
Na
Ne
He
N
Ca
Check
OK
Index
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