Over a million students use our free study notes to help them with their homework
Interestingly, pure water will always be neutral, regardless of pH. To understand why, we have to properly look at what pH means. pH is a measure of the number of free H+ ions in a solution or liquid. The...
Isotopes are a variant of a particular chemical element in the Periodic Table. They have the same atomic number, therefore the same number of protons and electrons. However they have a different number of...
This is an example of remembering the basic trends of ionisation energies of different elements across the periodic table and applying this knowledge in detailWe take the Bohr model of the atom where the ...
We can work this out by observing the changes in oxidation state of sulphur in concentrated sulphuric acid (H2SO4) when this compound reacts with KCl, KBr and KI individually.A...
A crystal of iodine sublimes from its solid state to its gaseous state without turning into a liquid. Iodine forms a molecular covalent crystal. This means that there are strong covalent ...
←
105
106
107
108
109
→
Internet Safety
Payment Security
Cyber
Essentials