SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It is a substance that cannot be separated into simpler substances by chemical means.
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Compound
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Matter
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Mixture
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Element
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Explanation:
Detailed explanation-1: -A molecule is the pure basic substance that cannot be split into two or more simpler substances by chemical methods.
Detailed explanation-2: -Elements are pure substances that cannot be broken down into simpler substances by ordinary chemical means.
Detailed explanation-3: -An element is a pure substance that cannot be separated into simpler substances by chemical or physical means. There are about 117 elements.
Detailed explanation-4: -Any substance that contains only one kind of an atom is known as an element. Because atoms cannot be created or destroyed in a chemical reaction, elements such as phosphorus (P4) or sulfur (S8) cannot be broken down into simpler substances by these reactions.
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