Silver is a chemical Element - which means silver is a pure substance.
Copper metal is an element and thus a pure substance.
Copper metal is an element and thus a pure substance.
Copper metal is an element and thus a pure substance.
It is not a mixture at all. It is a pure substance, an element to be specific.
Hafnium (Hf) is a pure metal.
Vinegar is not a metal. It is a mixture of water and acetic acid.
Copper metal is a pure substance, not a mixture. It is an element with the chemical symbol Cu.
pure substance?
No, it is a mixture; rarely a drug is a pure substance.
No a mixture is by definition not a pure substance.
pure substance
It is a mixture of substances