Exam (elaborations)
CIE Chemistry AS Level with 100% correct answers
- Module
- Institution
relative atomic mass mass of one atom of an element relative to 1/12 of the mass of an atom of carbon-12, which has a mass of 12.00 atomic mass units. isotopic masses when an element has the same number of protons but different number of neutron; hence different masses molecular mas...
[Show more]