Which element commonly has both +1 and +3 oxidation states?
A) Tl
B) Pb
C) Ba
D) Al
E) Cu
Correct Answer:
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Q15: Choose the most metallic element.
A)As
B)P
C)Bi
D)N
E)Sb
Q16: Which of the following statements is true?
A)An
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Q18: In the first stage of the Bayer
Q19: At which step in the production of
Q21: The valence electrons in a metal crystal
Q22: Which of the following is initially obtained
Q23: In the production of aluminum by the
Q24: Which of the following processes is used
Q25: Which of the following properties of the
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