Questions:

For the element Pb$,$ write the electron configuration and describe the different types of orbitals. What is the significance of the electron configuration for the properties of the atom?

You may want to include the following topics:

$$ electron configurations

$$ orbitals

$$ energy levels

$$ the Aufbau principle

$$ Hund$$s rule

$$ the Pauli exclusion principle

$$ the structure of the periodic table