阿摩線上測驗
28. In what row and group of the periodic table would you find the element with the electron configuration [Kr]5s24d105p2?
(A) row 4, group 4A
(B) row 4, group 5A
(C) row 5, group 4A
(D) row 5, group 5A
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統計： A(0), B(1), C(0), D(0), E(0) #4042009
統計： A(0), B(1), C(0), D(0), E(0) #4042009
