Which group contains two elements that exhibit +2 and +4 oxidation states?
A) Group 7A
B) Group 5A
C) Group 1A
D) Group 4A
E) Group 3A
Correct Answer:
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Q4: What is the most abundant (by mass)
Q5: Which of the following exhibits the greatest
Q6: Hydrogen and lithium react very differently, although
Q7: Choose the element with the smallest radius.
A)
Q8: Which elements have chemical properties determined by
Q10: In which group are the elements listed
Q11: Within a group, as the atomic numbers
Q12: What reason is given for the stability
Q13: Which group contains the most active metals?
A)
Q14: In a given period, this group has
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