The chemical reaction between the two substances produced a new compound.
chemical compound
Frequency:
85
%
Water is a chemical compound made up of hydrogen and oxygen.
chemical element
Frequency:
80
%
Carbon is a chemical element found in all living organisms.
chemical formula
Frequency:
75
%
The chemical formula for water is H2O.
Idiomatic Expressions for chemical
Phrase: Chemical warfare
Meaning: The use of toxic chemicals as weapons in a conflict.
Usage: The Geneva Protocol of 1925 banned the use of chemical warfare in armed conflict.