Nuclear Physics: Nuclear Structure

Note by alex.examtime9373, updated more than 1 year ago
Created by alex.examtime9373 over 6 years ago


This note covers the components of the atomic nucleus, isotopes and the periodic table. It can be used alongside the mind map on nuclear physics.

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Components of the nucleus - nucleons Protons - positively charged nucleons Neutrons - electrically neutral nucleons

Atomic number (Z): The number of protons in the nucleus of an atom Each element has a unique atomic number Mass number (A): The number of protons & neutrons in the nucleus of an atom

The periodic table of the elements contains all the elements in order of increasing atomic number They are arranged into sections based on what type of element they are, e.g. the middle section is made up of transition metals

Isotopes: Atoms of the same atomic number but different mass number, i.e. they have either lost or gained neutrons Isotopes of an atom are very similar in their chemical behaviour, as that is mainly determined by electronic structure

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