Nucleus
Definition 1 of 4
Pro Tip 1/3
Atom's Heart
Nucleus refers to the very central, densest part of an atom, crucial for its structure. Scientists study the atomic nucleus to understand nuclear energy.
Pro Tip 2/3
Not Visible
The atomic nucleus is incredibly small and can't be seen with regular microscopes. Despite being invisible, the nucleus holds most of an atom's mass.
Pro Tip 3/3
Not Alone
In physics, 'nucleus' is typically discussed with particles like electrons, neutrons, and protons. Protons and neutrons bind together in the nucleus, surrounded by electrons.