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Chemistry - Leaderboard
Chemistry - Details
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16 questions
🇬🇧 | 🇬🇧 |
Atom | The smallest particle of a substance |
Element | Made up of multiple atoms |
Made up of multiple atoms | Element |
Compound | When two elements chemically join together |
Mixture | Two or more substances mixed together (not chemically combined) |
Evaporation | To separate a soluble substance from a solution (eg. salt + water) |
Filtration | To separate insoluble substance from a mixture (eg. sand + water) |
Chromatography | To separate a mixture of soluble substances (eg. inks) |
Fractional Distillation | To separate a complex mixture of liquids (eg. crdue oil) |
Ion | A charged particle that has either lost or gained a particle |
Group 0 | - unreactive because they have a full outer shell - boiling point increase down the group |
Group 1 | - they get more reactive down the group |
3 types of bonding | Ionic Covalent Metallic |