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C1- C3
Particles(C1),Elements,Compounds, Mixtures(C2), Chemical Reactions(C3)
| Term | Definition |
|---|---|
| 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 |