no
lead is an element
symbol Pb
mixture
Its a mixture
Pure
A lead weight is made from the metallic element Lead (symbol Pb) so it is simply a pure element, it is not a mixture or a compound.
In its pure form it is a compound: sulphuric acid. But usually it is a mixture of sulphuric acid and lead sulphate.
pure substance?
The term pure mixture doesn't exist; the components can be more or less pure.
It is a mixture of compounds.
Pure substance.
It is a mixture of COMPOUNDS not a mixture of pure substances.
No. Pewter is an alloy, consisting of a mixture of tin, copper, antimony, bismouth, and sometimes lead.
No. by definition a pure sustenance is not a mixture.