Recognising the long table and using it to make a folding (or 'concertina') periodic table
Issue 375 | Page 77 | Published Jan 2020
Description
An activity designed to enable students to see how the periodic table was first envisaged after finding similarities in the properties of elements, and how it had to be extended as more elements were discovered.
More from this issue
Describing the development and the influence of an important initiative in science education.
Journal Article
There is no suitable substitute for molecular nitrogen in the atmosphere, which emphasises its necessity for life.
Journal Article
A method of obtaining and giving opportunity to process results from investigations and experiments that cannot be performed in schools, as well...
Journal Article