10. Periodic Properties of the Elements

Which of the following is the correct electron configuration for arsenic (As)?

The ground state electron configuration of ga is

Which of the following is the correct electron configuration for magnesium (Mg)?

When an electron transitions from a higher energy level to a lower energy level in an atom, which of the following occurs?

Which of the following is the correct electron configuration for the chloride ion, Cl⁻?

Which of the following sketches best represents a d orbital in the electron configuration of an atom?

Which of the following is the correct electron configuration for a neutral nitrogen (N) atom?

Which of the following is the correct electron configuration for a neutral calcium atom?

Which of the following shows the correct electron configuration for silicon (Si)?

Which of the following is the correct electron configuration for a neutral carbon (C) atom?

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

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

What is the maximum number of electrons that can occupy a single p orbital?

How many electrons are required to completely fill all five d orbitals in a given energy level?

Which of the following is a possible excited state electron configuration for a nitrogen atom?