What Is An Atom - Part 2 - Isotopes

This video tutorial covers the basics of atomic structure, focusing on atoms, isotopes, and how to determine mass numbers from the periodic table. It explains the significance of atomic and mass numbers, using sodium and chlorine as examples. The video also discusses electron configuration, detailing how electrons occupy energy levels or shells. By the end, viewers should understand the composition of atoms, the concept of isotopes, and how to calculate the number of fundamental particles in an element.

Describe the arrangement of electrons in an atom.

What are isotopes and how do they affect the atomic mass of an element?