Student's completed electron configuration practice worksheet with handwritten answers.

A close-up of a chemistry worksheet titled "Unit 2.10 Electron Configuration Practice Worksheet" with handwritten answers in black ink. The worksheet includes questions about electron suborbitals, electron capacity, orbital diagrams, and electron configurations for elements like sodium, iron, bromine, barium, and copper. The answers are written in a casual, cursive style, with some corrections and annotations visible. The worksheet is placed on a surface with a blurred background showing a computer screen displaying a video call interface.