the formulae of five polyatomic ions and one monatomic ion to be learnt.
1.39 Activity. Finding formulae Studen...
Rust forms on iron and steel as a result of a redox reaction between iron and oxygen.
2.15 - 2.20 Loss and gain Oxidation and redu...
Intermolecular forces are responsible for holding together the two strands of a DNA molecule
Before tackling this topic make sure you are&...
water expands when it freezes and ice therefore floats
1. Why is water a liquid and not a gas (...
An Exothermic reaction. Acetylene (Ethyne) releases a lot of energy when it burns.
Enter your text here ... Introduction Every chemi...
If a nucleus was the size of a raisin, the rest of the atom would be the size of a sports stadium
If a nucleus was the size of a raisin, the rest of the atom would be the size of a sports stadium
Atomic models Atoms are the building blocks ...
The mass spectrum of boron
1.17 Activity 2. Calculating relative atomic...