new technology
If new observations do not fit exactly with the current theory.
If new observations do not fit exactly with the current theory.
Scientists had made observations that did not fit exactly with Dalton's theory. Scientists changed the atomic theory to include this new knowledge. While the modern atomic theory is based on Dalton's theory, it is also very different.
# many scientists over a long period of time
something
Moseley and Bohr
It all happens suddenly
A great number of scientists worked on atomic fission, including particularly Ernest Rutherford, Niels Bohr, Wolfgang Pauli or Enrico Fermi.
The modern periodic table is arranged according to the elements' atomic numbers.
no but modern understanding of the universe says this is not possible
Antoine Lavoisier was a French nobleman and chemist. His contribution to the development of the modern atomic theory was his idea of the possibility of an Atomic Mass.
how do modern scientists describe the makeup of matter
The elements are arranged in the increasing order of their atomic number and repeating properties.