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Atomic Structure

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Introduction

This short topic concentrates on one of the frequently examined skills from the subject of atomic structure, namely deducing the number of protons, neutrons and electrons in an atom or ion from its proton number, mass number and overall charge.

Miscellaneous

• Problem with pop-up Periodic Table when using Internet Explorer version 4.

Contents

• Proton number and nucleon number
• Notation
• Example

• Quiz 1 - Protons, neutrons and electrons

• Clearance