Potassium trioxonitrate (V) can be obtained from its solution by----------
An element, Q, contains 69% of\(^{63}\)Q and 31% of \(^{65}\)Q. What is the relative atomic mass of Q?
The following ions have the same electron configuration except
\(_{8}\)O, \(_{12}\)Mg, \(_{13}\)AI, \(_{17}\)CI
The region around the nucleus where electrons can be located is called?
Protons and electrons are called fundamental particles because they----------
