Six-mark questions are extended open response questions ... In your answer, use ideas about electronic structure to explain differences in chemical properties. [6 marks] Group 1 of the periodic ...

There are no required practical activities in the atomic structure and periodic ... as suggestions to the types of questions that may appear in an exam paper. Rock salt is a mixture of sand ...

and the apparently widely different assumptions which have been introduced in various recent attempts to develop a theory of atomic constitution capable of accounting for other physical and ...

Chemical processes on the other hand involve mainly electromagnetic force to change only the electronic structure of atoms. Fission splits a heavy element (with a high atomic mass number) into ...