For convenience in study we may classify all these varieties under three heads, namely, mechanical mixtures, chemical compounds, and elements.
Such substances are called chemical compounds, and differ from mechanical mixtures in that the substances producing them lose their own characteristic properties.
Comparatively few of the elements occur as uncombined substances in nature, most of them being found in the form of chemical compounds.
While dealing with the grosser questions of chemical compounds, heat, and motion, there is little difficulty in applying natural laws to the explanation of living phenomena.
When green plants grow in sunlight they take simple compounds and combine them together to form more complex ones in such a way that the total result is an increase of chemical compounds of high complexity.
In such machines it is common to start with heat as a source of energy, and this heat is always produced by the breaking of chemical compounds to pieces.
It is remarkable that among the most stable chemical compounds, we find combinations of atoms of one and the same element.
He realized that the composition by weight of chemical compoundswas of the greatest moment if chemistry were to advance.
The freezing-point curve sometimes indicates the existence of chemical compounds.
But the occasional or indeed frequent existence ofchemical compounds in alloys has now been placed beyond doubt.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "chemical compounds" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
