Learn why protons and neutrons stick together, how close they have to be in the atomic nucleus, and how the strong force accounts for mass. Why Protons and Neutrons Stick Together in the Atomic Nucleus This entry was posted on February 19, 2020 by Anne Helmenstine (updated on March 30, 2022)
The atom is the unit of matter that identifies a chemical element. Here are 10 interesting atom facts for education and entertainment. 10 Interesting Atom Facts This entry was posted on February 19, 2020 by Anne Helmenstine (updated on May 2, 2021)