Matter in the universe is made of atoms. An atom itself is made up three tiny kinds of particles called subatomic particles: protons, neutrons and electrons.
Video source: Unlock lifes mysteries
https://www.selfstudy.today/
Matter in the universe is made of atoms. An atom itself is made up three tiny kinds of particles called subatomic particles: protons, neutrons and electrons.
Video source: Unlock lifes mysteries
https://www.selfstudy.today/