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Whats Neon atomic number?
7
8
10
9
Whats a symbol of water?
H2O
He
CO2
O2
Whats the symbol of Bohrium
Br
Bh
Be
Ar
Whats the name of the symbol Ar
Are
Argon
Aris
Arm
Whats the name of the symbol Og
Oganessonm
Oggy
Ogin
Oges
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10 questions
Substâncias e Misturas
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