Different between an element, a compound.

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Different between an element, a compound.

Posted by Rajarethinam R. Sangamithra 4 years, 11 months ago

CBSE > Class 07 > Science

3 answers

Aasma Singla 4 years, 11 months ago

Elements are those which doesn't have any fixed ratio and have one substance. Like oxygen Compounds are those which have fixed ratio and can be made from two or more substances. Like water

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𝓼𝓷𝓮𝓱𝓪 𝓢𝓾𝓶𝓪𝓷 4 years, 11 months ago

An element is a material that consists of a single type of atom. Each atom type contains the same number of protons. Chemical bonds link elements together to form more complex molecules called compounds

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Yogita Ingle 4 years, 11 months ago

<th>Sl. No.</th> <th>Differentiating Property</th> <th>Element</th> <th>Compound</th>

1	Definition	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.
2	Total Numbers	There are nearly 118 elements (at present) of which nearly 94 occur naturally on Earth.	Compounds are almost endless.
3	Types	Elements are classified as either metals, nonmetals or metalloids.	Compounds are classified according to their bonds which can be ionic, molecular or metallic.
4	Examples	Some of the examples of elements are Iron, Copper, Gold, etc.	A few examples of compounds are NaOH, NaCl, etc.
5	Representation	Elements are represented by symbols and numbers. For example, Sodium is represented by Na.	Compounds are represented by their chemical formula. For example, salt is represented by the formula NaCl.