1s22s22p63s23p63d2 (a) State what is wrong with the configuration and write down the correct electronic configuration for this system. (b) What will be the total number of valence electrons in the correct electronic configuration that you wrote down in (a)? (c) What is the outermost orbital in the correct electronic configuration and how many electrons are there in this orbital? Write down the number of planar and spherical nodes associated with this orbital.