SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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suspension
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atom
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compound
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mixture
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Detailed explanation-1: -Element is a substance that cannot be broken down into simpler substances. Atoms are the smallest particle of an element. An element has a fixed composition because it contains only one type of atom.
Detailed explanation-2: -When a substance contains only one type of atom, it is called an element. Each element has a special name and unique properties that are different from all the rest of the elements.
Detailed explanation-3: -Both elements and compounds have fixed composition and a definite set of properties.
Detailed explanation-4: -A chemical substance has a fixed composition. According to Proust’s inference, “All samples of a compound have the same composition; i.e., all samples have the same proportion, by mass, of the elements present in the compound”.
Detailed explanation-5: -A substance that has a fixed chemical composition throughout is called a pure substance such as water, air, and nitrogen.