Explanation:
The radial distribution function gives the probability density for an electron to be found anywhere on the surface of a sphere located a distance r from the proton. Since the area of a spherical surface is 4πr2, the radial distribution function is given by 4πr2R(r)∗R(r).
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Sorry but i can not decide i think it is B or C
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If you need to go through a closed door to escape a fire the action that you should take is letter B or <span>feel the door first using the back of your hand. </span>
