Correct: Ethanal, Propanone, Butanone, Pentan-2-one, 3-methyl butanone, Hexan-2-one, Butan-2-ol, Pentan-2-ol, Incorrect: Pentan-3-one, Pentanal, 2-methyl butanal, 3-methyl butanal, Hexan-3-one, hexanal, 4-methyl pentanal, Pentan-3-ol,

Leaderboard

Visual style

Mga Option

I-switch ang template

I-restore ang gi-autosave: ?