химия

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Question Answer
фосфор
start learning
P
хлор
start learning
Cl
Азот
start learning
N
Алюминий
start learning
Al
Ртуть
start learning
Hg
медь
start learning
cu
водород
start learning
H
Сера
start learning
S
углерод
start learning
c
свинец
start learning
pb
железо
start learning
fe
кислород
start learning
o

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