Atomic number, Atomic mass, Mass number: What's the difference?

The video tutorial explains the differences between atomic number, atomic mass, and mass number. It begins with a basic understanding of atoms and their components: protons, neutrons, and electrons. The atomic number is defined as the number of protons in an element's nucleus, while the mass number is the sum of protons and neutrons. Atomic mass is the average mass of an element's atoms, considering isotopes. The tutorial also covers isotopes, which are variations of elements with the same atomic number but different mass numbers. Carbon is used as an example to illustrate these concepts.

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