Quantum Systems Inside the 1910s, Danish physicist Niels Bohr tried out to describe the internal structure of atoms using quantum mechanics. By this place, it had been recognized that an atom was manufactured from a weighty, dense, positively billed nucleus surrounded by a swarm of tiny, gentle, negatively charged electrons. https://kingslists.com/story18518312/quantum-black-what-does-physics-mean-https-www-youtube-com-watch-v-afltx2codmw