Question

atoms and molecules class 9 questions

Answer 1

Answer:

Atom is the smallest particle that takes part in a chemical reaction. Atoms of different elements combine with each other in a simple whole number ratio to form compound.

A group of two or more than two atoms of the same or different elements that are chemically bonded together is called a molecule.

Answer 2

Answer:

atom-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.

molecule-a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

Explanation:

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