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Atomic Structure
This is a set of key word from chapter 29 & 30
Question | Answer |
---|---|
Atom | The smallest particle of an element that can exist which still retains the properties of that element. |
Proton | A sub atomic particles which is positive |
Electron | A sub atomic particles which is negative |
Neutron | A sub atomic particles |
Atomic mass unit | The line going down in the periodic table |
Sub - Atomic Unit | |
Planetary Model | |
Atomic Number | |
Atomic mass | |
Group | Where the element are seperated to metals,earth metals etc. |
Period | |
Alkali metals | |
Alkaline Earth Metal | |
Halogens | |
Nobel Gases | |
Periodic Table | A chart on where the elements are separated to different groups |
Isotopes | Atoms of the same element that have different numbers of neutrons in their nucleus |
Mendelev | |
Dalton | The person who found the atomic structure |
Neils Bohr | Planetery model of atom Bohr Diagrams |