Photo: Niels Bohr's research notes for his new atomic theory Rutherford's find came from a very strange experience. Everyone at that time imagined the atom as a "plum pudding." That is ...

In 1913, Niels Bohr revised Rutherford's model by suggesting that the electrons ... However, there was still a difference between the atomic number of the atom and the atomic mass.

Changes to the atomic model Atoms have a central positive nucleus. Most of the mass of an atom is found in the nucleus. New evidence In-depth work on Rutherford's model showed it had limitations.

When U.S. President Donald Trump claimed during his inaugural address that Americans “split the atom,” a ripple of irritation ...

It was in 1911 that Rutherford eventually developed his model of the atom as a tightly packed positively charged nucleus, orbited by electrons, which became known as the Rutherford atomic model, and ...