periodic table trends

"Orbitals of equal energy are each occupied by one electron before any is occupied by a second electron, and all electrons in singly occupied orbitals must have the same spin" is a statement of

The statement that an electron occupies the lowest available energy orbital is

The statement that no two electrons in the same atom can have the same four quantum numbers is

The atomic sublevel with the next highest energy after 4p is

In the electron configuration for scandium (atomic number 21), what is the notation for the three highest-energy electrons?

The electronic configuration of ₁₇Cl is

Which orbital shows a violation of Hund's Rule?

Which orbital shows a violation of the Pauli Exclusion Principle?