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Unit 4 (Mixtures (Mechanical changes (The item is bing change to a…
Unit 4
Mixtures
Mechanical changes
The item is bing change to a diferent element
Carbonising
Physical changes
The thing tha is bing change do not change the element
Gasification
Homogeneos
Heterogeneos
Periodic table
The periodic table show wall elements know by humans
Created by Dimitri
Divided in Families
Metals, metaloides, non-metals
Simplified all elements in simbos
O-Oxigen
Au-Gold
Cu-Cooper
Atoms
No body knows the real form of atoms
Protons and neutrons
They make the nucleous
Eletrons
They orbite the nucleous
Bord diagrams
It is hypotheses of how an atom really are
Matter
Pure substances
Elements
Elements are atoms
Metals
They are shiny and conduct heat
Aluminium
Non-Metals
Do not conduct energy
Oxigen
Metaloides
Metaloids conduct energy but not better than metals
Boron
Compouds
Ionic Compouds
Atoms loses eletrons
Molecular Compouds
Atoms share some eletrons one to other
This make the atoms neutralize
