Question

what is atom ? ?????​

Answer 1

Answer:

An atom is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are extremely small, typically around 100 picometers across.

Explanation:

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Answer 2

Atom:-

The smallest particle of an element which may or may not exist independently but can take part in the chemical reaction is called an atom.

Eg:- Oxygen, hydrogen, etc

More

❍ Element:-

An element is a simple and pure form of matter which cannot be decomposed into simpler substances.

All elements are made up of atoms the smallest particle of an element which represent all the properties of an element.

A set of atoms of the same type together forms the molecule of an element the number of atoms in a molecule of an element is called its atomicity.

❍ Molecule:-

A molecule is the smallest particle that has the capability to exist independently the molecule of an element exhibit all the properties of an element.

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