EVERYDAY SCIENCE

Detailed explanation-1: -An atom is the smallest particle of an element, having the same chemical properties as the bulk element. The first accurate theory explaining the nature of matter was Dalton’s Atomic Theory: 1. All matter is composed of atoms, and atoms are indivisible and indestructible.

Detailed explanation-2: -The structure of the atom. An atom is the smallest unit of matter that retains all of the chemical properties of an element.

Detailed explanation-3: -As far as we know, there is nothing smaller than a quark that is still considered a unit of matter. However, there are six different kinds of quarks of different sizes.

Detailed explanation-4: -Atom Composition Particles that are smaller than the atom are called subatomic particles. The three main subatomic particles that form an atom are protons, neutrons, and electrons.