Exploring Quantum Numbers and Trends

Which quantum number describes the main energy level of an electron in an atom?

What is the maximum number of electrons that can occupy the $$p$$ -sublevel in any principal energy level?

Which element has the electron configuration $$1s^2 2s^2 2p^6$$ ?

Which of the following is a noble gas?

Which rule states that electrons fill the lowest energy orbitals first?

What is the noble gas electron configuration for sodium ( $$Na$$ )?

Which of the following elements has the largest atomic radius?

Arrange the following elements in order of increasing electronegativity: $$F$$ , $$O$$ , $$N$$ , $$C$$ .

Which of the following ions has the same electron configuration as neon?

Which element’s electron configuration ends with $$4p^5$$ ?