Yes
pure substance?
Gold is a pure substance
No, it is a mixture; rarely a drug is a pure substance.
18 carat gold is a mixture because it is composed of 75% gold and 25% other metals such as copper or silver.
pure substance
pure substance?
It's an element. So, yes, it's a substance, not a mixture.
No, a bar of pure gold is not a mixture. It is a pure substance because it is composed of only one type of atom, gold.
No, pure gold is not a mixture. It is considered a pure substance because it is composed of only one type of atom, which is gold.
Gold is a pure substance
No, gold is an element, not a mixture. It is a pure substance composed of only gold atoms.
It's an element. So, yes, it's a substance, not a mixture.
Gold is an element, not a compound or mixture. It is a pure substance made up of only gold atoms.
Liquid gold-homogeneous Solid-heterogenous
Liquid gold-homogeneous Solid-heterogenous
Gold earrings are a substance because they are made of pure gold, which is a single chemical element.
It's an element. So, yes, it's a substance, not a mixture.