Chemistry Resources (page 6)

Periodic table Acid Corrosive substance which has a pH lower than 7. Acidity is caused by a high concentration of hydrogen ions....

Particles (year 8) Alloy An alloy is a mixture of two or more elements, at least one of which is a metal. Chromatography ...

All Around Us Atmosphere The layers of gases that surround the Earth. The important gases in the atmosphere are nitrogen, oxygen...

Chemical Reactions Acid Corrosive substance which has a pH lower than 7. Acidity is caused by a high concentration of hydrogen ions...

Particles (Year 7) Atom The smallest particle of an element that can exist. Boil Change from ...

The best film I have ever watched is "Flight of the Butterflies". It is a documentary which starts with a young boy in Canada at a picnic, observing monarch butterflies. He notice...

What does a diamond ring and a lead pencil have in common?...Answer: they are both made of carbon. (We will explain how shortly)..Useful web resource: https://bio.libretexts.org/Books...

Here`s something that I have shared with my A-level students recently. I can`t claim complete credit for it, since I first saw a student do this sort of thing really properly a coup...

Here`s something that I have shared with my A-level students recently. I can`t claim complete credit for it, since I first saw a student do this sort of thing really properly a couple...

The element chlorine has two isotopes, Cl35 and Cl37. The relative abundances for Cl35 and Cl37 are 3 and 1 respectively. Using the information given, calculate the relative atomic ma...