Question

Which of the following is a pure substance that cannot be broken down into simpler substances by chemical means?

Answer 1

Answer: c

Explanation:

Chemical element, please if you now the answers of my two last questions help me

Answer 2

Chemical elements are pure substances that cannot be broken down into simpler substances by chemical means

WHAT IS A PURE SUBSTANCE:

• In chemistry, a pure substance is referred to as a substance that contains constant or uniform composition.

• Chemical elements as pure substances are substances that contain a only one type of atom.

• All chemical elements are pure substances because they contain only one type of atom in constant proportions. Hence, they cannot be broken down into simpler substances by chemical means.

Therefore, chemical elements are pure substances that cannot be broken down into simpler substances by chemical means.

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