D. Write the electronic configuration, distribution of electrons in the main energy level, last sublevel configurations, orbital diagram of LSC, quantum numbers, and magnetic property of the following elements.
1. \( { }_{20} \mathrm{Ca} \)
2. \( { }_{78} \mathrm{Pt} \)
3. \( { }_{17} \mathrm{Cl} \)
4. \( { }_{36} \mathrm{Kr} \)
5. \( { }_{84} \mathrm{Po} \)