<Tr> <Td> 4p </Td> <Td_colspan="12"> </Td> <Td> 6.222 </Td> <Td> 6.780 </Td> <Td> 7.449 </Td> <Td> 8.287 </Td> <Td> 9.028 </Td> <Td> 9.338 </Td> </Tr> <Tr> <Td> </Td> <Td> Rb </Td> <Td> Sr </Td> <Td> Y </Td> <Td> Zr </Td> <Td> Nb </Td> <Td> Mo </Td> <Td> Tc </Td> <Td> Ru </Td> <Td> Rh </Td> <Td> Pd </Td> <Td> Ag </Td> <Td> Cd </Td> <Td> In </Td> <Td> Sn </Td> <Td> Sb </Td> <Td> Te </Td> <Td> </Td> <Td> Xe </Td> </Tr> <Tr> <Td> Z </Td> <Td> 37 </Td> <Td> 38 </Td> <Td> 39 </Td> <Td> 40 </Td> <Td> 41 </Td> <Td> 42 </Td> <Td> 43 </Td> <Td> 44 </Td> <Td> 45 </Td> <Td> 46 </Td> <Td> 47 </Td> <Td> 48 </Td> <Td> 49 </Td> <Td> 50 </Td> <Td> 51 </Td> <Td> 52 </Td> <Td> 53 </Td> <Td> 54 </Td> </Tr> <Tr> <Td> 1s </Td> <Td> 36.208 </Td> <Td> 37.191 </Td> <Td> 38.176 </Td> <Td> 39.159 </Td> <Td> 40.142 </Td> <Td> 41.126 </Td> <Td> 42.109 </Td> <Td> 43.092 </Td> <Td> 44.076 </Td> <Td> 45.059 </Td> <Td> 46.042 </Td> <Td> 47.026 </Td> <Td> 48.010 </Td> <Td> 48.992 </Td> <Td> 49.974 </Td> <Td> 50.957 </Td> <Td> 51.939 </Td> <Td> 52.922 </Td> </Tr>

With the aid of diagram explain effective nuclear charge