10. Periodic Properties of the Elements

Which of the following is the full electron configuration for titanium (Ti)?

Which of the following electron configurations correctly represents a neutral nitrogen atom?

Which of the following is the correct electron configuration for technetium (Tc, atomic number 43)?

In an atom of hydrogen, where is the highest-energy electron located?

Which of the following is the correct electron configuration for the Ti^{2+} ion?

How many unpaired electrons are present in the ground state of a krypton (Kr) atom?

Which of the following is the correct electron configuration for a neutral lithium (Li) atom?

Which of the following must occur for an electron to move to a higher energy level in an atom?

In the context of electron configuration, what is the maximum number of electrons that can occupy the third shell (n = 3) of an atom?

Which of the following is the correct electron configuration for the Co^{2+} ion?

Which statement best describes how electrons are organized in the electron cloud of an atom?

Which of the following is the correct abbreviated electron configuration for cesium (Cs)?

Which electron configuration represents a violation of the Pauli exclusion principle?

Which of the following is the correct electron configuration for zirconium (Zr, atomic number 40)?

Which of the following electron configurations could represent a sodium atom (Na) in an excited state?