In general non-scientific terms, isotopes are slightly different types (or versions) of atoms of the same element. If asked "What is an isotope ?" in GCSE Chemistry, a more detailed answer is required using one of the definitions below: ...
These different types of mixtures are interesting but might not be essential knowledge for GCSE Chemistry. The descriptions are non-technical (omitting details, e.g. of particle sizes), but sufficient for general comparison. Thesubstancesof which a mixture is formed can sometimes be identified visua...
Chemistry Design and Technology Economics Engineering Geography IT / ICT Maths Robotics Physics And that's not all! You'll find more specific strands of these subjects that you can go on to study. For example, you might decide to study Civil Engineering, which is considered an Engineering dis...
When the price of gasoline rises, people naturally buy less of it; the amount of this reduction being determined by the amount of the price increase and the consumer's elasticity of demand for gasoline. This does not necessarily mean that people will drive less (though it is likely), it ...