10 Questions
Who proposed the existence of a tiny, dense, positively charged region called the nucleus at the center of the atom?
Ernest Rutherford
Which scientist developed a new model of the atom in 1911, proposing that protons and neutrons are in the nucleus at the center?
Ernest Rutherford
Who refined Niels Bohr's atomic model due to his discovery of neutrons in 1932?
James Chadwick
Which scientist proposed that electrons travel around the nucleus in definite paths in 1911?
Ernest Rutherford
Who developed the Planetary Model of the atom in 1913, where electrons follow a strict circular path around the nucleus?
Niels Bohr
Which scientist proposed the Electron Cloud Model in 1926, determining regions where electrons can be mostly found?
Erwin Schrödinger
Who refined Bohr's experiment results due to the discovery of neutrons?
James Chadwick
Which scientist developed the Quantum Mechanical Model of the atom, suggesting electron locations as a probability cloud?
Erwin Schrödinger
Who is credited with discovering neutrons after further investigating Rutherford's gold foil experiment?
James Chadwick
Which scientist suggested that electrons can jump between different energy levels in an atom?
Niels Bohr
Test your knowledge on the early descriptions of atoms by the Ancient Greeks, the influence of alchemy on chemistry, the evolution of atomic models, and the changes in atomic theory. Learn about the fundamental building blocks of matter and the contributions to the field of science.
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