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olasank [31]
3 years ago
13

Help me i'm not sure about this one

Mathematics
2 answers:
levacccp [35]3 years ago
7 0

Answer:

Neon=0

Oxide=-2

Copper=2

Tin=0

SCORPION-xisa [38]3 years ago
6 0

neon 0

oxide -2

copper 2

tin 0

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