Fillers A dilemma
A half mixed compound?BMJ 1999; 318 doi: https://doi.org/10.1136/bmj.318.7181.435 (Published 13 February 1999) Cite this as: BMJ 1999;318:435
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- David Dean, medical science student
Some lessons learnt during high school chemistry remain with me, none more so than the distinction between a mixture and a compound:
Mixture: a substance consisting of two or more substances mixed together without any chemical bonding between them.
Compound: a substance that contains atoms of two or more chemical elements held together by chemical bonds.
As a teenager I did not object to being termed “half caste.” For the past few years I have preferred, and asked others to use, …
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