Question

Name the building block of all matter.

Answer 1

• According to Dalton, an atom is the ultimate particle of an element that maintains it's chemical identity throughout all chemical and physical changes.
• An atom contains a central core called a nucleus made up of protons and neutrons with electrons revolving around it.
• Atom is the ultimate particle of an element which shows all the properties of the element.
• Atoms can neither be created nor be destroyed in a chemical reaction.
• Thus, the atoms are the building block of all matter.