Chapter 2 notes

Atomic Structure

Textbook and additional solved MCQs with interactive labs.

Multiple Choice Questions

Tick (✓) the correct answer. Tap an option to check yourself — the correct answer is highlighted instantly.

Score: 0 / 0

⚗️ Interactive Lab: Build an Atom!

Drop in protons, neutrons and electrons

Add particles and watch the atom assemble itself — the element name, mass number and charge update live. Electrons fill the K, L, M shells (2n² rule), just like this chapter teaches.

Add a proton to begin!