All Elements and the periodic table articles – Page 4
-
Experiment
Competition for oxygen | reacting metals with oxides
Explore the reactions of metals when exposed to the oxide of another metal. When reactions like these occur, the two metals compete for the oxygen. Includes kit list and safety instructions.
-
Experiment
An alternative to using compressed gas cylinders
Getting gas under pressure allows exciting demonstrations such as igniting balloons filled with hydrogen gas. Includes kit list and safety instructions.
-
Experiment
Flame tests (the wooden splint method)
Find a new method to perform flame tests using wooden splints soaked in chlorides. Includes kit list and safety instructions.
-
Exhibition chemistry
Flaming phosphorus
How to generate your own white phosphorus for a fiery oxidation demonstration
-
Resource
Olympic Medals
Explore the history of the Olympic medals, what they represent, and their chemical properties.
-
Resource
Updated Periodic Table wallchart
Newly updated for 2017, including the four new elements! Display this two-sided periodic table poster in your classroom. On one side, a Visual Elements version, with fascinating element artwork by Murray Robertson. On the other side is a bold colour-coded version, emphasising readability and clarity. The wallchart is available in ...
-
Ideas
Mapping compound structure and bonding
How everyday compounds’ properties can be linked to their bonding and structure with a ‘structure triangle’
-
Resource
Chemical misconceptions II: Elements, compounds and mixtures
Explore and understand pure substances and mixtures; elements and compounds, through active study.
-
Resource
Chemical misconceptions II: Revising the periodic table
A comprehensive exercise to support learners as they explore the Periodic Table, and build their knowledge base.
-
News
Purest silicon sphere ever created will redefine the kilogram
Largest impurity is copper taking the place of one silicon atom in every three billion
-
Experiment
The preparation and properties of oxygen
Produce a potassium manganate(VII) reaction using a test tube, Bunsen burner, and scientific inquisition to detect the presence of oxygen. Includes kit list and safety instructions.
-
Resource
On This Day - Jun 05 : Johan Gadolin was born
While analysing minerals from a quarry in Sweden, Gadolin discovered the first rare earth compounds containing the metal oxides of yttrium (Y) and gadolinium (Gd). He is considered the founder of Finnish chemistry research.
-
Resource
On This Day - Mar 31 : Robert Bunsen was born
Bunsen pioneered spectroscopy using his famous invention of the Bunsen burner to produce the clean flame necessary to heat substances and measure the wavelengths of light they emit. Using this method, Bunsen discovered caesium (Cs) and rubidium (Rb).
-
Resource
On This Day - Mar 23 : First noble gas reaction
Noble gases were thought to be completely inert, but English chemist Neil Bartlett observed that mixing platinum hexafluoride with xenon formed the yellow solid xenon hexafluoroplatinate. This led to many more discoveries of noble gas compounds.
-
Resource
On This Day - Jan 18 : Edward Frankland was born
Frankland introduced the theory of valence when he realised that atoms can only form a certain number of bonds to other atoms. He also co-discovered helium (He), pioneered organometallic chemistry, and was a leader in the field of water purification.
-
Exhibition chemistry
Creating copper
Declan Fleming presents a beautiful demonstration with lots of teaching potential
-
Resource
94 Elements
This project is creating a collection of unique human stories by award-winning filmmakers about the endless ways the elements touch our daily lives.
-
Resource
Building blocks: primary science podcasts
Join Kareena and her superhero friend K-mistry for this short podcast introducing children to the idea that the universe is made up of very small particles.