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Questions and Answers
Who proposed the existence of a tiny, dense, positively charged region called the nucleus at the center of the atom?
Who proposed the existence of a tiny, dense, positively charged region called the nucleus at the center of the atom?
- Niels Bohr
- James Chadwick
- John Joseph Thomson
- Ernest Rutherford (correct)
Which scientist developed a new model of the atom in 1911, proposing that protons and neutrons are in the nucleus at the center?
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 (correct)
- Erwin Schrödinger
- John Joseph Thomson
- Niels Bohr
Who refined Niels Bohr's atomic model due to his discovery of neutrons in 1932?
Who refined Niels Bohr's atomic model due to his discovery of neutrons in 1932?
- Werner Heisenberg
- James Chadwick (correct)
- John Joseph Thomson
- Ernest Rutherford
Which scientist proposed that electrons travel around the nucleus in definite paths in 1911?
Which scientist proposed that electrons travel around the nucleus in definite paths in 1911?
Who developed the Planetary Model of the atom in 1913, where electrons follow a strict circular path around the nucleus?
Who developed the Planetary Model of the atom in 1913, where electrons follow a strict circular path around the nucleus?
Which scientist proposed the Electron Cloud Model in 1926, determining regions where electrons can be mostly found?
Which scientist proposed the Electron Cloud Model in 1926, determining regions where electrons can be mostly found?
Who refined Bohr's experiment results due to the discovery of neutrons?
Who refined Bohr's experiment results due to the discovery of neutrons?
Which scientist developed the Quantum Mechanical Model of the atom, suggesting electron locations as a probability cloud?
Which scientist developed the Quantum Mechanical Model of the atom, suggesting electron locations as a probability cloud?
Who is credited with discovering neutrons after further investigating Rutherford's gold foil experiment?
Who is credited with discovering neutrons after further investigating Rutherford's gold foil experiment?
Which scientist suggested that electrons can jump between different energy levels in an atom?
Which scientist suggested that electrons can jump between different energy levels in an atom?
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