Which one of the following configurations depicts an excited carbon atom?
A) 1s22s22p13s1
B) 1s22s22p3
C) 1s22s22p1
D) 1s22s23s1
E) 1s22s22p2
Question 2
Of the following, only ________ has sp2 hybridization of the central atom.
A) NF3
B) HCN
C) BF3
D) ICl3
E) CH4