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: ...
When alloys are specified, the specification often includes the ratios of the different metals in that particular alloy.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 ...
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 disci...
In a seminar class, there may be no exams, but students are expected to read rather widely on topics and be prepared for thorough discussion of them in class. Another possibility in graduate classes is that in addition to readings done by all students, each student may also be expected to ...