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Soaring Crane
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Which of the following three sets consist of atoms or ions with the same electron configuration in the ground state?
I. O (2-), Ne, and Mg (2+)
II. Ni, Cu+, Zn 2+
III. Hg, Tl+, and Pb (2+)
a. all but (II)
b. all but (I)
c. all three sets
d. only (I)
Is it all but ii. because Cu loses its 4s shell?
Thanks.
I. O (2-), Ne, and Mg (2+)
II. Ni, Cu+, Zn 2+
III. Hg, Tl+, and Pb (2+)
a. all but (II)
b. all but (I)
c. all three sets
d. only (I)
Is it all but ii. because Cu loses its 4s shell?
Thanks.
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