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Atomic Structure
This is a set of layouts from chapters 29&30
| Term | Definition |
|---|---|
| Atom | The smallest particle of an element which still retains the properties of that element |
| Proton | The positive charge of an atom found in its nucleus |
| Electron | The negative charge of an atom found in its shells |
| Neutron | The neutral charge of an atom found in its nucleus |
| Atomic Mass Unit | The unit of mass (a.m.u) |
| Sub-Atomic Particles | Protons, Electrons, Neutrons |
| Planetary Model | The 2D structure of an atom |
| Atomic Number | The position of the element on the Periodic Table, its also the amount of protons and electrons in an element |
| N = Number | The number of electrons in an element |
| Group | The vertical lines on the Periodic Table |
| Period | The horizontal lines on the Periodic Table |
| Alkali Metals | The 1st group of the Periodic Table |
| Alkaline Earth Metals | The 2nd group of the Periodic Table |
| Halogens | The 7th group on the Periodic Table |
| Periodic Table | The table of all of the discovered elements. Created by Dimitri Mendeleev |
| Isotopes | Atoms of the same element that have different numbers of neutrons |
| John Dalton | Founded the Atomic Structure Theory |
| Niels Bohr | Founded the Planetary Model Theory |
| Dimitri Mendeleev | The creator of the Periodic Table |
| Nobel Gases | The 8th group on the Periodic Table |