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Description
Flashcards by Paige Louise, updated more than 1 year ago
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Created by Paige Louise
over 7 years ago
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| Question | Answer |
| Atom | the smallest quantity of an element that can take part in a chemical reaction, consisting of a positively charged nucleus made up of protons and neutrons, surrounded by negatively charged electrons |
| Element | a substance made of only one type of atom |
| Compound | a substance containing atoms of two or more elements, which are chemically combined in fixed proportions |
| Equation | a scientific statement that uses chemical names or symbols to sum up what happens in a chemical reaction |
| Reactants | the substances that react together in a chemical reaction |
| Products | the substances produced in a chemical reaction |
| Mixture | a combination of two or more elements, which are not chemically combined together |
| Filtration | separation techniques used to separate insoluble solids from solids |
| Crystallisation | technique used to obtain a soluble solid from a reaction |
| Simple Distillation | technique used to separate a substance from a mixture due to a difference in boiling points |
| Fractional Distillation | a separation technique used to separate mixtures which contain components with similar boiling points |
| Chromatography | a separation technique used to separate the coloured components of a mixture |
| Electron | a sub`atomic particle which has a negative charge , small relative atomic mass and which orbits the nucleus |
| Proton | a sub`atomic particle |
| Neutron | h |
| Atomic Number | h |
| Mass Number | j |
| Isotope | g |
| Ion | u |
| Electron Configuration |
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