Relative atomic mass is an average mass, which takes into account all of the isotopes and their abundance. It is not always a whole number. However, on your data leaflet, apart from chlorine ...
February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different elements ...
Looking for ways to revise GCSE Chemistry? Try listening to these revision podcasts from Bitesize and BBC Sounds. BBC Sounds is where you can catch the latest music tracks, discover binge-worthy ...
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