#12

Posted by markus hansel Posted on 07:13 with No comments

45Rh102.906Rhodium9F18.998Fluorine4Be9.012Beryllium57La138.906LanthanumC2H6O Example 1 H H | |H-C-C-O-H | | H HChemistry – A-level standard.Education cutbacks are clearly hitting hard – this establishment can only afford a periodic table with four elements, and a hand-drawn one at that. Though not displayed in the correct order, all the information about the elements is correct, with