It’s extremely bad quality I really can’t read it
According to valence bond theory sigma bonds is formed when two orbitals approach and overlap over each other while pie bonds is formed when two orbitals overlap side by side. in formation of HCl 1s orbital of hydrogen overlap on 3p orbitals of chlorine
Which is an example of a compound? sand, gold, water, or iodine? well, the answer is water, water is a compound.