Elements, compounds and mixtures
Sun, sea, sand and air. Elements, compounds or mixtures?
Crude oil - fractional distillation
Crude oil is a mixture of alkanes ( hydrocarbons)
Bond angles
Use the animation to measure the bond angles in each of the three molecules below:
Electrolysis
a game to test your skills
Structure and bonding
Diamond has a giant covalent structure .
in this topic, we have looked at the way in which substances form different structures. The type of structure formed depends on the type of bonding: Three types of bonding are. metallic, covalent and ionic. metallic: formed when metals bond with themselves or other metals. covalent: formed when non-metal bonds with itself or another...
Flame colours can help to identify the metal ion in a compound
Flame tests can be used to identify some metal ion...
Lithium cells are now widely used in a whole range of applications
Lithium-ion cells : the Tesla solution This ...
All these solutions contain transition metal compounds
Colourful compounds Many transition metals h...
Chromatography gets its name from the (sometimes) colourful chromatograms it produces.
Enter your text here ... Enter your text here ... ...
Sidney Opera house through a wineglass
Enter your text here ... Enter your text here ... ...
