580 nm light shines on a double slit with d=0.000125 m. what is the angle of the first dark interference maximum?

An atom's smaller negative particles are at a distance from the central positive particles, so the negative particles are easier to move. 

Change of odor change of color for example, silver to reddish-brown when iron rusts. change in temperature or energy, such as the production (exothermic) or loss (endothermic) of heat.hopefully this ! : )