In reply to Jones Beene's message of Sat, 11 Jun 2011 15:10:12 -0700: Hi, [snip] >However, the real point of this post is that "mass" assigned to an element >is an average, and the deviation for average is unknown. The range of mass >in any element could be small, which is the mainstream viewpoint - but that >is doubtful, due to common sense if nothing else and is likely to be several >percent at a minimum!
You may be in danger of taking off here. (From arm waving). ;) Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html