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Hallefmetaller
Chimie
Halbmetall
métalloïde
metalloid
semimetal
zum
Grupp
vun
den
Hallefmetaller
gehéieren
de
Bor,
de
Silizium,
de
Germanium,
den
Arsen,
den
Antimon,
an
den
Tellur
https://lod.lu/uploads/examples/OGG/30/30299fee30f6a47c062d1f7a414704c7.ogg
https://lod.lu/uploads/examples/AAC/30/30299fee30f6a47c062d1f7a414704c7.m4a