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Question

Difference between element and compound in column wise?

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Solution

Element

Compound

Definition

Pure substance that has one type of atom

Is composed of one or more elements

Distinguishing Feature

Distinguished by atomic number

Different elements in a fixed ratio held together by bonds

Ability to be broken down

Cannot be broken down

Can be broken down into individual elements using reactions

Types

118 elements divided by metals, metalloids, non-metals

Can be divided using bonds: ionic, metallic and molecular; number of compounds are endless

Examples

aluminum, iron, copper, gold, mercury

CH4 (methane), H2O2 (hydrogen peroxide)

Represented

By symbols and numbers

Formula


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