SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An element is a pure atom and a compound is a combination of atoms.
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An element is a pure substance and a compound is a combination of elements.
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Elements are mixtures and compounds are chemically combined.
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A element can be made of different atoms and substances while compounds are made of only two different elements.
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Detailed explanation-1: -Elements are pure substances which are composed of only one type of atom. Compound are substances which are formed by two or more different types of elements that are united chemically in fixed proportions.
Detailed explanation-2: -Pure substances are substances that are made up of only one kind of particle and have a fixed or constant structure. Pure substances are further classified as elements and compounds. An element is a substance that consists of only one type or kind of atom.
Detailed explanation-3: -Element: Pure substance consisting of one type of atom. Compound: Pure substance consisting of two or more different atoms. Mixture: Two or more different substances not chemically combined. Colloid: A heterogeneous mixture that exhibits the Tyndall effect.
Detailed explanation-4: -Element is a pure substance made up of only one kind of atom which can’t be split up into two or more substance. compound is a pure substance made up of two or more substance combined in fixed proportion by mass.
Detailed explanation-5: -An element is a pure substance that cannot be broken down by any physical or chemical means into simpler substances. An element is made up of the same kind of atoms. Elements are classified into metals, nonmetals, and metalloids. Elements are represented by their symbols.