Questions: In the space below, write the unabbreviated electron configurations of the following elements: 1) Nitrogen 2) Sodium 3) Iron 4) Bromine 5) Barium

In the space below, write the unabbreviated electron configurations of the following elements:
1) Nitrogen
2) Sodium
3) Iron
4) Bromine
5) Barium

Transcript text: In the space below, write the unabbreviated electron configurations of the following elements: 1) Nitrogen $\qquad$ 2) Sodium $\qquad$ 3) Iron $\qquad$ 4) Bromine $\qquad$ 5) Barium $\qquad$

Solution

Solution Steps

Step 1: Understanding Electron Configurations

Electron configurations describe the distribution of electrons in an atom's orbitals. The order of filling is based on the Aufbau principle, which states that electrons fill orbitals starting from the lowest energy level to the highest.

Step 2: Writing the Electron Configuration for Nitrogen

Nitrogen has an atomic number of 7, meaning it has 7 electrons. The electron configuration is: \[ 1s^2 2s^2 2p^3 \]

Step 3: Writing the Electron Configuration for Sodium

Sodium has an atomic number of 11, meaning it has 11 electrons. The electron configuration is: \[ 1s^2 2s^2 2p^6 3s^1 \]

Step 4: Writing the Electron Configuration for Iron

Iron has an atomic number of 26, meaning it has 26 electrons. The electron configuration is: \[ 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6 \]