(3GdJGUQ GdcjejGhj(B=s CHEMICAL BONDING - (3cheHGfjGf, GhOQis; (3GdeNJGQ, SYO YR GdOjfs; (3eUWai, GMSGf YHO GdZfj s ((3ehUd, GdYQGb(B:s (3hRGQI GdJYdje GdYGdj hGdHMK GdYdej,s)
Keywords: (3GdcjejGAs