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What is an isotope?

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 ele...
BF
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Describe one chemical test and one physical test for pure water.

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 - the p...
SN
Answered by Sumrah N. • Chemistry tutor
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Describe one similarity and one difference between the structures of diamond and graphite.

Answer:Similarity: either: both contain carbon atoms ; or: both have strong covalent bonds between the atoms Difference: either: graphite structure has layers whereas diamond structure does not ; or: graphit...
TD
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What is meant by equilibrium

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 no...
CI
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Reaction between a metal and acid gives?

Metal + Acid --> Metal salt + H2 (g)E.g. Cu + HCl --> CuCl2 + H2
CI
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