Question

a gaseous sample of a pure, unknown element is analyzed using a photoelectron spectrometer. a simplified version of the complete photoelectron spectrum produced is provided. assume that atoms in the sample are neutral and are in the ground - state electron configuration.
complete the ground - state electron configuration for this element.
how many electrons are in each atom in the sample?
which element is the sample made up of?

Explanation:

Step1: Analyze photoelectron spectrum

The photoelectron spectrum gives information about the binding energies of electrons in different orbitals.

Step2: Use electron - configuration rules

Based on the number of peaks and their binding energies, we can determine the number of electrons in each orbital. For a neutral atom in the ground - state, we fill orbitals in the order of increasing energy (1s < 2s < 2p < 3s < 3p etc.).

Step3: Identify the element

Once we have the electron configuration, we can use the periodic table to identify the element based on the total number of electrons (equal to the atomic number for a neutral atom).

Answer:

Without the actual values from the spectrum (binding energies and number of electrons at each energy level), we cannot complete the ground - state electron configuration, determine the number of electrons in the atom, or identify the element. Please provide the specific details from the spectrum such as binding energies and relative intensities of the peaks.