Mono refers to how many? Is it 1, it's a puzzle question. Thanks

Yes, it's one.

"Mono" is Latin for one. e.g. monochrome = one + color ; monocle = one lens ; monocotyledon = one + cotyledon

Thank You So Much, I really appreciate your help. You're Wonderful.
Thanks Again, Have A Great Day.
Traci

di = two
tri = three
quad = four
quint = five
hex = six
sept = seven
oct = eight

Thank You Both xo

In the context of chemistry, the prefixes used are as follows:

mono: one (eg. Monochloro methane, CH_3Cl, one chlorine in methane)

di: two (eg. Dichloro methane, CH_2Cl_2, two chlorine in methane)

tri: three (eg. Monochloro trifluoro methane, CClF_3, one chlorine, three fluorine in one methane)

tetra: four (eg. Tetrachloro methane, CCl_4, four chloro in one methane)

penta: five (eg. Copper sulfate pentahydrate, CuSO_4.5H_2O, copper sulfate with 5 moles of water of crystallisation)

hexa: six (eg. Potassium hexacyano ferrate (III) K_3Fe(CN)_6)

hepta: seven (eg. Magnesium sulfate hepta hydrate, MgSO_4.7H_2O)

etc.

Wondergirl agrees : You are soooooo smart. Cute too!

Lol, what can I do? I have to learn the naming of some compounds, and these happen to be in my syllabus :o

Of course, there are much worse... like the specific conditions used for a reaction to take place so that it is economically good (concerning manufacture of ammonia, sulfuric acid, etc). I prefer not bring them here.

Thanks WG :)