A.
1. 基本常数（1986 CODATA推荐值）http://physics.nist.gov/cuu/Constants/index.html?/codata86.html

2.转换系数

http://www.chemie.fu-berlin.de/chemistry/general/units.html

http://www.megaconverter.com/Cv_start.htm

B.

1. 物质的状态和磁性 http://www.ccl.net/cca/documents/dyoung/topics-orig/

2. 化学概念和术语

化学大百科 http://www.chem.vt.edu/chem-ed/scidex.html

词汇

http://www.chemistrycoach.com/high.htm#definitions of chemical

http://www.harcourt.com/dictionary/

http://antoine.frostburg.edu/chem/senese/101/glossary.shtml

http://netaccess.on.ca/~dbc/cic_hamilton/dictionary/a.html

http://www.treasure-troves.com/chem/letters/

http://www.wbaileynet.com/wldchem/home/refer/aframe.htm

http://www.infoplease.com/

http://klbproductions.com/yogi/chemistry/dictionary/

词汇和术语http://www.chem.qmw.ac.uk/iupac/

3. 实验室操作 http://antoine.frostburg.edu/che ... ety/resources.shtml

4. Safety, Ira Remsen quotationhttp://virtual.yosemite.cc.ca.us/smurov/remsen.htm

5. 核 http://library.thinkquest.org/3659/nucreact/

6. 平衡常数

http://www.chem.ualberta.ca/courses/plambeck/p101/p0040x.htm

http://www.compusmart.ab.ca/plambeck/che/data/p0040x.htm

http://155.135.31.26/oliver/chemdata/

http://wulfenite.fandm.edu/Data%20/Data.html

http://155.135.31.26/oliver/pubdomdb.htm

7. pH 值和滴定曲线

http://www.science.ubc.ca/~chem/tutorials/pH/index.html

http://jeffline.tju.edu/CWIS/DEP ... utorial/phmenu.html

8.第二定律

http://www.secondlaw.com/

http://www.2ndlaw.com/

9. 有效数字、单位和单位换算

a. 有效数字

http://maple.lemoyne.edu/~giunta/rayleigh.html

http://maple.lemoyne.edu/~giunta/acspaper.html

b. 单位

http://abcnews.go.com/sections/s ... sclimate990930.html

http://clive.canoe.ca/CNEWSHeyMartha9911/10_metric.html

http://www.welchco.com/sd/08/00101/02/99/10/01/165724.HTM

c. 单位换算

http://www.acs.org/vc2/2my/my2_143.html

http://www.cheresources.com/flightzz.shtml

10. 理论化学 http://www.hec.utah.edu/TheoryPage/