Atoms are extremely important structures that make up all of the materials on earth. Atoms are in our bodies and they bond together to form molecules, which make up matter. What is Matter? Matter is any substance that takes up space, meaning it has mass and volume.

An atom a fundamental piece of matter. Everything in the universe (except energy) is made of matter, and, so, everything in the universe is made of atoms. An atom itself is made up of three tiny kinds of particles called subatomic particles: protons, neutrons, and electrons.

Useful and Interesting Atom Facts and Trivia

• There are three parts to an atom.
• Atoms are the smallest particles that make up elements.
• Atoms are mostly empty space.
• There are over 100 different kinds of atoms.
• The components of an atom are held together by three forces.

An atom is constructed from smaller particles called subatomic particles. These subatomic particles are electrons, protons, and neutrons. There are over 100 different kinds of atom – 92 natural and 8 man made. The different kinds of atom are based on its number of electrons, protons, and neutrons.

Atoms are the basic building blocks of ordinary matter. Atoms can join together to form molecules, which in turn form most of the objects around you. Atoms are composed of particles called protons, electrons and neutrons.

A Photon is the Quantum of Electromagnetic Radiation while an atom is the fundamental constituent of all the Matter. Its size may be similar to the size of subatomic particles like Electron but it’s smaller than an atom.

Quarks. Quarks represent the smallest known subatomic particles. These building blocks of matter are considered the new elementary particles, replacing protons, neutrons and electrons as the fundamental particles of the universe.