Because society has shaped our mind on what we shall think about things
Rutherford, Geiger and Marsden's experiment proved that every atom has a nucleus and that this nucleus is of positive charge and contains the most of the mass of the atom. 0.005% of the volume occupied by the electrons is the volume of the nucleus.
Tarnish is Ag2S-silver sulfide and the oxidation state of silver is +1
I don’t understand the question
