Question

❤100 ❤



ĐĔFĮŇĘ :--



☆》》elements▪▪▪


☆》》molecules ▪▪▪


☆》》compounds ▪▪▪


☆》》atoms▪▪▪





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Answer 1

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Elements :

Elements are simplest substances that cannot be broken down further by any chemical process.

Compounds :

Components are two or more elements chemically bonded together.

Atoms :

Smallest unit of a chemical element is known as an atom.

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Answer 2

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✯Elements:-✯

Elements are the simplest form of substances which can't be broken down into simpler ones by any chemical means.

☞For example : Hydrogen , carbon , gold etc.

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✯Molecules :-✯

Molecules are the smallest particles of a substance which can exist in free state under normal condition.

▶A molecule retains the chemical as well as physical properties of the substance.

▶They are composed of two or more atoms held together by chemical processes.

☞Examples of Molecules of a compound:

Diatomic molecules : Hydrogen chloride (HCL), Carbon monoxide (CO).

Triatomic molecules: Water (H2O), ammonia (NH3) etc.

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✯Compounds:-✯

Compounds are pure substances which consist of two or more atoms of different elements, combined in a fixed ratio by mass.

☞Some examples of compounds include Water [formed from two elements - Hydrogen and oxygen] , sodium chloride [ formed from sodium and chlorine]

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✯Atoms:-✯

Atoms are the basic unit of elements .

An atom is a form of matter which may not be further broken down using any chemical means.

▶A typical atom consists of protons, electrons and neutrons.