1 I'll always remember you. 2016-02-25 2 Chocolate's truth?? 2016-02-18 3 The thing which makes humans different from robots 2015-07-08 4 My favorite character! 2015-07-04 5 The poem that I wrote a year ago 2015-07-02 6 Animals 2015-06-10 7 I think... 2014-08-05 8 Vacation? 2014-07-29 9 Final? 2014-06-24 10 Meditation 2014-06-17 1 2 3 4 5 6 7 8 9 10   회 원 고혜정 작성일 2016-02-18 Weather    Feeling  As usua 제 목 Chocolate's truth?? 내 용 C,H,O : Aldehyde group C,O : Ketone group Have a nice day, teacher~^^ See you on Tuesday!! image view 답변자 ts0058 답변일 2016-02-19 답변내용 C,H,O : Aldehyde group C,O : Ketone group Have a nice day, teacher~^^ = Have a nice day teacher! ~^^ See you on Tuesday!! = See you on Tuesday! ------------------------------------------------------------------------- Hi Annie! Thank you for sharing this. Only people who are that knowledgeable on chemistry would understand it. I'm glad I did not sleep during our chemistry class on molecular formulas! - Teacher Cel :)