Drugs may be pure substances but more frequently they are mixtures.
yes it is pure !!! i just hate it went i type in a p and it comes up an o !! xlol xx
it is a pure substance.... not
Methane is a pure substance.
Helium is pure as it is on the periodic table.
Silicon is an element. Its symbol is Si.
Mixture
yes it is pure !!! i just hate it went i type in a p and it comes up an o !! xlol xx
pure substance, propanone
Pure substance
it is a pure substance.... not
Methane is a pure substance.
A pure substance is the same throughout. When a substance is 100% something it is pure.
Helium is pure as it is on the periodic table.
silicon is a pure substance because it is an element and as we know an element is a pure substance
Silicon is an element. Its symbol is Si.
pure substance
Pure Substance