16.1
1 chemical formula (adjective + noun)
2 bank account (noun + noun)
3 American football (adjective + noun)
4 artificial intelligence (adjective + noun)
5 coffee shop (noun + noun)
6 best man (adjective + noun)
7 mobile phone (adjective + noun)
8 flight attendant (noun + noun)
9 sofa bed (noun + noun)
10 magnetic field (adjective + noun)
11 tea strainer (noun + noun)
12 space station (noun + noun)
16.2
(Canada)
1 voicemail
2 a paper towel
3 a civil war
4 a greenhouse
5 an ice rink
6 distance learning
7 a loudspeaker
8 a hot potato
9 a claim form
10 house-hunting
11 a town hall
12 a pay phone
13 a defining moment
14 orange juice
15 lipstick
16 boiling point
17 a search party
18 a shop assistant
19 dental floss
20 a rubber band
‘Greenhouse’, ‘town hall’, ‘defining moment’, ‘dental floss’ and ‘orange juice’ are all exceptions to the rules in B and C. They are all mentioned in the reference page.