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C1- C3

Particles(C1),Elements,Compounds, Mixtures(C2), Chemical Reactions(C3)

What is the Mass of a Proton, and Charge? 1 & +1
What is the Mass of a Neutron, and Charge? 1 & 0
What is the Mass of a Electron, and Charge? 0.0005 & -1
How do you work out Mass Number? Total number of Protons + Neutrons
What is the Atomic Number? Number of Protons
Negative Ions Form when atoms gain electrons so there's more electrons than neutrons
Positive Ions Form when atoms lose electrons so there's more neutrons
Isotopes Different forms of the same element, have same no. of protons but different no. of neutrons
Dimitri Mendeleev Made the first proper Periodic Table
Electron Shells rules 2,8,8
Simple Ions... Form when Atoms lose or gain electrons
Ions with opposite Charges Form.... Ionic Bonds
Ionic Compounds Have a regular Lattice structure
Covalent Bonds Sharing Electrons
Simple Molecular.... Substances have low melting and boiling points
Giant Covalent structures... Contain many Covalent Bonds
Plastics are... Long-Chain Molecules called Polymers
Forces between molecules... Determine the properties of Polymers
Properties of Materials depend on... Structure and Bonding
Metals have... Crystal structure
Most metals have.... High melting & Boiling Point and High Density
Metals are.... Strong, but also Bendy & Malleable
Metals react with.. Oxygen to form Metal Oxides
Metals can be mixed with other Elements to form Alloys
Metals are all.... Good conductors of heat and electricity
Structure and Bonding affect.. Melting & Boiling points
Pure Substances Contain 1 thing
Test for Purity Using the Melting and Boiling Points
Impure Substances have.... Low melting points
Impure substances also have.... High Boiling points
Distillation Used to separate out Solutions
Fractional Distillation Used to separate a mixture of liquids
Filtration Separate Insoluble Solid from a Liquid
Crystallisation Separate a Soluble Solid from a Liquid
Chromatography Separate and Identify substances in a mixture
What is the Mobile phase of Chromatography? Molecules can move e.g liquid, gas
What is the Stationary phase of Chromatography? Molecules can't move e.g solid
Half Equations show.... The movement of Electrons
Moles (Formula) Mass in g Number of Moles = Mr
Molecular & Displayed formulas show.. Number of Atoms
Empirical Formula Simplest Ratio of Atoms
Created by: Shahed-02


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