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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 |