Index
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Vzácné plyny - urči název
Matching exercise
Match the items on the right to the items on the left.
Check
He
???
Argon
Xenon
Krypton
Neon
Helium
Radon
Ne
???
Argon
Xenon
Krypton
Neon
Helium
Radon
Ar
???
Argon
Xenon
Krypton
Neon
Helium
Radon
Kr
???
Argon
Xenon
Krypton
Neon
Helium
Radon
Xe
???
Argon
Xenon
Krypton
Neon
Helium
Radon
Rn
???
Argon
Xenon
Krypton
Neon
Helium
Radon
Check
OK
Index
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