We synthesize silver nanoparticles, using biological methods, in TEM image there are variety of SNPs size like, 13 nm, 16.15 nm, 20 nm, 16.39 nm.
You can't with any accuracy (and I'm sure that others will respond and say you can - feel free). I'm happy to defend my comment.
I also ask you one question - what is the size of a hydrogen atom? This will give you a clue why quoting 2 decimal places is ridiculous.
Try to measure at least 100 particles then you calculate for each particle size how many particles contains. Use excel to draw the distribution Vs diameter like most literature did.
Thank you @ Dr Alan F Rawle Sir and Mohammed Abdullah Issa
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