Atoms are found everywhere as the fundamental building blocks of all matter. They make up every physical substance in the universe, including solids, liquids, gases, and plasma. Atoms consist of a nucleus made of protons and neutrons, with electrons orbiting around the nucleus. They exist in various forms corresponding to different chemical elements and combine to form molecules, which then make up all matter around us. Atoms are present in everything from the earth and living beings to the air and stars in the universe.
In summary, atoms are found:
- In all matter—everything that has mass and occupies space
- In solids (e.g., rocks, metals), liquids (e.g., water), and gases (e.g., air)
- In natural elements and compounds on Earth and throughout the cosmos
- In molecules that form the basis of chemical substances and living organisms
Thus, atoms are ubiquitous and form the very essence of the material universe.
