Question

define molecules and atoms​

Answer 1

Answer:

Molecules, a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance.

Atoms consist of a single nucleus with a positive charge surrounded by a cloud of negatively charged electrons.

Answer 2

$\purple★ \: \large \sf { \color{red}{ Define \: Atom}} \purple {:- }$

➢ An atom is the smallest particle of an element that can participate in a chemical reaction and retain all its properties.

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$\purple★ \: \large \sf\color{red}Define \: Molecule \purple{ :- }$

➢ A molecule is the smallest particle of an element or a compound that is capable of independent existence and retains all the properties of that substance.

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$\purple{➥} \: \large\sf \color{red}{To \: know \: more} \purple{: -}$

The substances are made up of atoms and molecules.

Atoms are the most fundamental of all particles that can have an independent existence.

Sometimes two or more atoms combine to form a big particle. When atoms combine, they form molecules.

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