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History and Facts of Atom The matter is made of building blocks that are not divisible. This idea was considered in early the 5th century BCE by Leucippus and Democritus. These particles were called “atomos” by the Greeks which means indivisible and in modern times the word “atom” is derived from this term.

An atom is a particle that consists of a nucleus of protons and neutrons surrounded by an electromagnetically-bound cloud of electrons. The atom is the basic particle of the chemical elements, and the chemical elements are distinguished from each other by the number of protons that are in their atoms.

Atom is the smallest particle of an element that cannot be further divided into simpler substances or smaller particles. All atoms are made of three different sub-atomic particles, electrons, protons, and neutrons. All these sub-atomic particles have an electric charge except for neutrons.

indivisible The word atom is derived from the ancient Greek adjective atomos, meaning "uncuttable" or "indivisible." The earliest concepts of the nature of the atom were debated in ancient India and ancient Greece. We now know that the atom has a nucleus composed of protons and neutrons surrounded by clouds of electrons.

The word atom is derived from the ancient Greek adjective atomos, meaning "uncuttable" or "indivisible." The earliest concepts of the nature of the atom were debated in ancient India and ancient Greece.

Early History of the Atom Matter is composed of indivisible building blocks. This idea was recorded as early as the 5th century BCE by Leucippus and Democritus. The Greeks called these particles atomos, meaning indivisible, and the modern word “atom” is derived from this term.

The electrons of an atom are attracted to the protons in an atomic nucleus by the electromagnetic force. The protons and neutrons in the nucleus are attracted to each other by the nuclear force. This force is usually stronger than the electromagnetic force that repels the positively charged protons from one another.

An atom is the basic building block of chemistry. It is the smallest unit into which matter can be divided without the release of electrically charged particles. It also is the smallest unit of matter that has the characteristic properties of a chemical element.

But when it comes to the word atom, we have to go to ancient Greece of 400 B.C. And there was a brilliant philosopher named Democritus, and he proposed the Greek word atomos, which means uncuttable. And so as he explained, all matter was eventually reducible to discrete, small particles or atomos.

Atoms are the basic building blocks of matter. Anything that takes up space and anything with mass is made up of atoms.

Explanation: ATOMS are the basic building blocks of matter. They make up everything around you–including air! There are three basic parts of an atom: the PROTON, which has a positive charge; the NEUTRON, which as no charge and is neutral; and the ELECTRON, which has a negative charge.