10. Periodic Properties of the Elements

Which of the following represents the correct electron configuration for a neutral atom of iron (Fe, atomic number 26)?

Which statement best describes how electrons fill orbitals in the periodic table?

Which of the following is the correct electron configuration for boron (atomic number 5)?

Which of the following electron configurations is incorrect?

How many electrons are present in a neutral atom of zirconium (Zr)?

Which element has the electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^5?

How many p electrons are present in a neutral atom of antimony (Sb)?

Which of the following represents the noble gas electron configuration of titanium (Ti)?

Which of the following is the correct electron configuration for a neutral sodium (Na) atom?

Which of the following elements has an electron configuration of [Kr] 5s^2?

What is the electron configuration of chlorine (Cl)?

How many electrons can occupy the second energy level (n = 2) of an atom?

Which of the following is the correct electron configuration for boron (atomic number 5)?

Which electron configuration represents the element carbon (atomic number 6)?

Which of the following is the correct ground-state electron configuration for an atom with 104 electrons?