functional groups (heteroatoms)

Question 1

amide

Answer 1

carbon with double bonded O and single bond R and N with two single bonds of R

Question 2

acid halide

Answer 2

carbon with double-bonded O and two single bonds of R and X

Question 3

nitro group

Answer 3

NO2
nitrogen with a single bond R, two O, one double bond, and one single bond

Question 4

sulfoxide

Answer 4

sulfur with double-bonded O and two single bonds of R

Question 5

sulfone

Answer 5

sulfur with two double bond of O and two single bonds of R