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When vaporised, isotopes of an element can be separated in a mass spectrometer. Name the three processes that occur in a mass spectrometer before the vaporised isotopes can be detected. State how each process is achieved. (6 marks)

Once the sample is vaporised, high energy electrons are fired at the sample which knocks off a loosely held electron. (1) This step is known as election impact ionisation. (2) Due to the presence of a charge...
MF
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Sodium and chlorine form an ionic compound. Describe what happens when 1 atom of sodium reacts with 1 atom of chlorine.m

When sodium reacts with chlorine, the sodium atom transfers 1 electron to the chlorine atom, in order to achieve a stable electron configuration resembling a noble gas. The sodium (Na) atom becomes a sodium ...
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Answered by Patrick C. • Chemistry tutor
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How do you classify an alkene using Cahn-Ingold-prelog rules

First, look at each of the groups connected to the two carbon atoms in the double bond. Rank these groups by priority based on the atomic mass of the atom connected to the alkene carbon. If both of the heavi...
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Answered by Leon M. • Chemistry tutor
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What are the products of the hydrolysis of phenacetin by a base? Phenacetin was once used in analgesic tablets, but it is no longer used because it has severe side effects.

The functional group on the right side of the benzene ring is an ether , which does not react with base. The functional group on the left is an amide. Hydrolysis of an amide breaks the bond between the nitro...
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Answered by Mona E. • Chemistry tutor
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How does column chromatography work? (A-Level Chemistry)

We use column chromatography to purify an organic product. We begin with a glass column filled with a slurry of absorbent material. This could be aluminium oxide coated with water.We run a solvent through th...
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Answered by Noa M. • Chemistry tutor
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