10. Periodic Properties of the Elements

Which of the following represents the ground-state electron configuration for cesium (Cs)?

Which of the following is the correct electron configuration for boron (B)?

Which of the following is the correct electron configuration for selenium (Se)?

Which of the following is the correct electron configuration for aluminum (Al)?

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

Which species has the electron configuration [Ar] 3d^2?

Which of the following is the correct electron configuration for argon (Ar)?

Which of the following represents the correct electron configuration for a neutral carbon atom?

What is the primary difference between the 1s and the 2s orbitals?

Which of the following is the correct electron configuration for beryllium (Be)?

How many electron-containing orbitals are present in a neutral atom of arsenic (atomic number 33)?

Which of the following is the correct electron configuration for potassium (K)?

Which ground-state atom has an electron configuration described by the following orbital diagram?1s: ↑↓2s: ↑↓2p: ↑↓ ↑↓ ↑↓

Which of the following best describes a cathode ray?

Which of the following is the correct ground-state electron configuration for the Co^{3+} ion?