Multiple Choice
Which of the following is correct?
A) The element H is in both the first period and the seventh period
B) The element Na is in Group 2A/2
C) The element Ge is in the fourth period and Group 4A/14
D) The element Cr is in the third period and Group 6B/6
E) More than one of the statements above are correct
Correct Answer:
Verified
Correct Answer:
Verified
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