Question

key vocabulary
match each term with its correct definition.
term definition

1. element a. a substance made of two or more different elements chemically combined

Explanation:

The term "Element" is not correctly matched with option A. The definition in option A ("A substance made of two or more different elements chemically combined") actually refers to a "Compound". An element is a pure substance that cannot be broken down into simpler substances by chemical means. But based on the given task of matching (even if there's a possible error in the provided options), if we assume this is a matching where we have to pair, but likely there's a mix - up. Wait, maybe the question is to find what the definition A belongs to. The definition A is for "Compound". But the term here is "Element", so perhaps there's a typo, but if we follow the task of matching (maybe the term was supposed to be "Compound"), then the correct match would be that the definition A is for "Compound", but the given term is "Element" which is incorrect. However, if we consider that maybe the user wants to know what the definition A describes, it's a compound. But the original term is "Element", so there's a mismatch. But if we proceed with the given, maybe the intended term for definition A is "Compound".

Answer:

The definition "A substance made of two or more different elements chemically combined" (option A) does not match the term "Element". This definition actually describes a "Compound". If we were to match correctly, the term for definition A would be "Compound", not "Element".