10. Periodic Properties of the Elements

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

Which of the following is the correct electron configuration for arsenic (atomic number 33)?

Which of the following is the correct electron configuration for the Ag+ ion?

Which element has the ground state electron configuration [Ar] 4s^2 3d^{10} 4p^5?

Which of the following is the correct orbital diagram for the ground state of carbon (atomic number 6)?

Which of the following lists the three fundamental rules used to write the electron configuration of elements?

Which of the following represents the correct orbital diagram for a neutral boron atom?

Which of the following is the correct electron configuration for a potassium (K) atom in its ground state?

Which of the following is found in the energy levels of an atom?

Which of the following is the correct electron configuration for the As^{3-} ion?

Which of the following orbital-filling diagrams violates the Pauli exclusion principle?

How many sublevels are present in the second shell (n = 2) of an atom?

Which of the following is the correct electron configuration for the Al^{3+} ion?

Which of the following is the correct electron configuration for krypton (Kr)?

Which element has the following ground state electron configuration: 1s^2 2s^2 2p^6 3s^2 3p^4?