What is the definition of an element?

Group of answer choices

The smallest piece of matter that cannot be separated chemically or physically.

A mix of protons, neutrons and electrons.

2 substances that are physically combined.

2 substances that are chemically combined.

The correct answer is: The smallest piece of matter that cannot be separated chemically or physically.

The definition of an element is the smallest piece of matter that cannot be separated chemically or physically.

The correct definition of an element is: "The smallest piece of matter that cannot be separated chemically or physically." An element is a pure substance that consists of only one type of atom. It cannot be broken down into simpler substances by chemical or physical means. To arrive at this answer, I analyzed the provided definitions and evaluated their accuracy and relevance to the concept of an element. After careful consideration, I determined that the first option aligned best with the accepted definition.