Isotopes - Basic Chemistry - Lesson 10 (GCSE Science)

Revise and learn everything that you need to know about Isotopes for your GCSE and IGCSE exams.
In order to fully understand this lesson it is advisable that you have learned about the following topics:

Using the periodic table Basic Chemistry Lesson 7: Using the P...
Atoms Atoms - Basic Chemistry: Lesson 8 (GC...

If you do not have a strong understanding of these topics you will benefit from watching these lessons first.

In this lesson you will learn the following things:
• What isotopes are
• Why atomic number never changes for isotopes
• Why mass number always changes for isotopes
• The main isotopes of hydrogen
• Why some mass numbers in the periodic table are not whole numbers
• What radioisotopes are
• How isotopes can be used includio radiodating

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