10. Periodic Properties of the Elements

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

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

Which of the following represents the complete ground state electron configuration for a vanadium (V) atom?

As an electron moves farther from the nucleus in an atom, how does its energy change?

Which of the following is the correct molecular orbital (MO) electron configuration for Be$_2^+$?

Which noble gas is used as the core in the noble gas electron configuration of iodine?

Which of the following is the electron configuration of a neutral Fe atom?

How many electrons can the first electron shell (n = 1) hold?

Which of the following represents the correct electron configuration for the Ba^{2+} ion?

According to the aufbau principle, which orbital is filled first when building up the electron configuration of an atom?

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

Which of the following is the correct electron configuration for an oxygen atom?

Which term refers to the arrangement of electrons in an atom?

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

Which of the following represents the correct electron configuration for a neutral atom of potassium (atomic number 19)?