To understand the relationship between macroscopic observations and what happens on the atomic level, concepts are explained using models. Students are challenged to create their own models to deepen ...

In the modern periodic table, elements are in order of atomic number in periods and groups. Electronic structures model how electrons are arranged in atoms. Groups in the periodic table - AQA ...

Atomic Absorption Spectrscopy (AA ... Our AA spectrometer is a Perkin-Elmer 373 model.

An international research collaboration led by the University of Surrey's Nuclear Physics Group has overturned the ...