Answers26-27 CFISD TX-Chemistry A CRMolecular GeometryQuestion 3
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Molecular Geometry

Question 3 • *26-27 CFISD TX-Chemistry A CR

Use the periodic table to correctly describe the arrangement of electrons in an oxygen atom. Check all of the boxes that apply.

Answer
A
The electron configuration is 1s22s22p2.
B
The electron configuration is 1s22s22p4.
C
The electron configuration is 2s22p6.
D
There are valence electrons in the 1s-, 2s-, and 2p-orbitals.
E
There are valence electrons in the 2s- and 2p-orbitals.
F
There are valence electrons in the 2p-orbitals only.
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