Question

What does the term "compound" mean? 1. two or more substances dispersed in one another, but each retaining their own identities 2. two or more elements joined together such that the elements have lost their individual identities in favor of a new set of properties 3. a change in shape, size, or physical characteristics, but remaining the same substance

Answer 1

two or more elements joined together such that the elements have lost their individual identities in favor of a new set of properties. 
i think that is the answer not 100% sure
hope this helps:)