- Predict the electron configuration for a neutral atom (Sn, Z = 50)?

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Why the resistance in dc distribution system for the length of 100 meters(length of distributer) is assumed as r/2? Find the linerization of L(x,y)=sqrt(81+4x^2-1y^2) at point (-4,4)? What is didatic of chemistry? The angular size of the moon is about 30 arcminutes while its true diameter is 3500km. How far from the Earth is the moon? A steel wire of diameter 1mm can support a tension of. 2 kN. A steel caple to support a tension of 20 kN should have diameter of what?