An
atom in an excited state can have an electron configuration of
A.
1s2 2s2
*B.
1s2 2p1
C. 1s2 2p2
D.
1s2 2s2 2p5
E.
1s2 2s2 2p6
Compared to the charge and mass of a proton an electron has
A.
The same charge and smaller mass
B.
The same charge and the same mass
*C.
The opposite charge and smaller mass
D.
The opposite charge and the same mass
What is the total number of sublevels in the fourth principal energy level?
A.
1
B.
2
C.
3
*D.
4
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