Over a million students use our free study notes to help them with their homework
Empirical formulaThe empirical formula is a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms. To find this you require the mas...
Isotopes are atoms of an element with different numbers of neutrons. They have the same proton number, but different mass numbers. They have the same chemical properties, due to having the same number of ...
A physical test for pure water is testing the boiling or freezing point. Pure water will boil at 100 degrees Celsius and freeze at 0 degrees Celsius. One chemical test is to use cobalt chloride paper - th...
Answer:Similarity: either: both contain carbon atoms; or: both have strong covalent bonds between the atomsDifference: either: graphite structure has layers whereas diamond structure...
When a reaction is in equilibrium, it means the rate of the forward reaction is equal to the rate of the backwards reaction. The concentrations of the reactants and products remain constant, but this does...
←
114
115
116
117
118
→
Internet Safety
Payment Security
Cyber
Essentials
