Top answers

What is a radical?

A species with an unpaired electron, that is very reactive. For example, oxygen radicals involved in ozone depletion.
ES
Answered by Emma S. • Chemistry tutor
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Why is the Mg2+ ion smaller in radius than the Na+ ion?

To answer this we need to compare the two ions. The main difference between the two ions is the number of protons in the nucleus - Magnesium has one more proton than Sodium, however, if you look at the elect...
JH
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Describe, in three steps, how you would synthesise phenylethylamine (C6H5CH2CH2NH2) from methylbenzene, giving reagents and conditions for each step. For each step, state the type of reaction that occurs.

Methylbenzene (C 6 H 5 CH 3 ) can be reacted with chlorine in the presence of UV light. The type of reaction is free radical substitution, and this produces phenylchloromethane (C 6 H 5 CH 2 Cl). The next st...
JH
Answered by James H. • Chemistry tutor
9293 Views

What is electronegativity?

It is a measure of how much a neutral atom wants an electron, metals have very low electronegativity, they almost always give electrons up, whereas non-metals usually uptake electrons, so they have a high el...
MF
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What are the shape of p orbitals?

The shape is a figure of 8 across all three axis, with a node at the origin
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Answered by George D. • Chemistry tutor
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