Silver is an elemental metal. This means unalloyed silver is pure, but most silver jewelry will alloy the silver with other metals (e.g. copper). Silver also oxidizes easily, producing silver sulfide and/or silver oxide surface films.
Silver has two naturally occurring isotopes: silver-107 (51.4%) and silver-109 (48.6%).
Copper metal is an element and thus a pure substance.
Vinegar is not a metal. It is a mixture of water and acetic acid.
pure substance?
No, it is a mixture; rarely a drug is a pure substance.
pure substance
Silver is a chemical Element - which means silver is a pure substance.
Mixture
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.
Silver is a substance, specifically a chemical element with the symbol Ag and atomic number 47. It is a pure metal with uniform chemical and physical properties, making it a substance rather than a mixture.
Vinegar is not a metal. It is a mixture of water and acetic acid.
Unadulterated silver nitrate is a pure substance.
Copper metal is a pure substance, not a mixture. It is an element with the chemical symbol Cu.
pure substance?