Introduction to Atoms and Atomic Notation

The video tutorial explains the structure of atoms, highlighting the nucleus composed of protons and neutrons, and the surrounding electrons. It covers atomic notation, isotopes, and the arrangement of electrons in energy levels. The tutorial also distinguishes between atoms and ions, using lithium as an example to illustrate these concepts.

What is the structure of an atom and what particles does it consist of?

How do you calculate the number of neutrons in an atom?

What are isotopes and how do they differ from each other?

Explain the concept of energy levels in an atom.

What happens to an atom when it loses an outer electron?