SOLVED: Atomic Density of Crystal Atomic Weigha Solid 20*C Structure; Symbol Number (amu) (glcm) 12o0 4 15 126.98 270 FCG Ar 18 39.95 Ba 56 43733 35 BCd Bc 19.012 IS5 HCP
This Awesome Periodic Table Tells You How to Actually Use All Those Elements : ScienceAlert