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(1)
What is the category of
Be?
(2)
What is the category of
Mg?
(3)
What is the category of
Na?
(4)
What is the category of
Ne?
(5)
What is the category of
Al?
(6)
What is the category of
V?
(7)
What is the category of
Mn?
(8)
What is the category of
Si?
(9)
What is the category of
Li?
(10)
What is the category of
H?
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