Which type of substance is an alloy?Pure substanceMixtureElementCompound

An alloy is A An element  B A compound  C A homogeneous mixture D A heterogeneous mixture

Identify if gold metal is an example of a pure substance or a mixture. Pure substance1Mixture2

Match the definition to its correct key word. AlloyPure metalPossible AnswersA metal that contains only metal atoms.A non-metal that contains only non-metal atoms.A compound that contains only metal atoms and non-metal atoms.A mixture of metal atoms with atoms of another metal or non-metal element. I DON'T KNOWRESETSUBMIT ANSWER

Copper is an example of a pure metal. Brass is an example of an alloy. Order copper and brass based on their hardness. BrassCopperPossible AnswersHarderSofterI DON'T KNOWRESETSUBMIT ANSWER

What do you mean by a pure substance?