Many elements have a number of isotopes , which are atoms with the same atomic number but different atomic masses.
If you want to change selection, open document below and click on "Move attachment"
- (no access) - Duward Shriver, Mark Weller, Tina Overton, Jonathan Rourke, Fraser Armstrong - Inorganic Chemistry (c2014, Macmillan Education (W. H. Freeman)).pdf, p27
|status||not read|| ||reprioritisations|
|last reprioritisation on|| ||suggested re-reading day|
|started reading on|| ||finished reading on|