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Which of the following is Robert Millikan credited with discovering?
Robert Millikan is credited with the discovery of the elementary electronic charge through his oil drop experiment.
Model of Robert Millikans atom?
A Millikan atom model doesn't exist.
What is the millikans contribution to the atom model theory?
Robert Millikan did his experiment by bombarding a thin sheet of beryllium with an alpha particle newtest3
What did Millikan contribute to atomic theory?
He discovered that the weight of an electron is 1836 times smaller than that of a hydrogen atom (atomis mass of 1)
How did Robert Millikan's oil drop experiment change scientists' view of the atom?
Robert Millikan's oil drop experiment, conducted in 1909, provided the first accurate measurement of the charge of the electron. By observing the behavior of tiny oil droplets in an electric field, Millikan demonstrated that electric charge is quantized, meaning it exists in discrete amounts. This finding reinforced the idea of subatomic particles and contributed to the understanding of atomic structure, leading scientists to recognize that atoms are composed of smaller charged particles. Millikan's work helped shift the scientific perspective toward a more nuanced model of the atom, incorporating the existence of electrons and their quantized nature.
What did Robert Oppenheimer contribute to the world?
He lead the team that developed the Atom Bomb.
Robert millikan's major contributions to the atomic theory?
Millikan: He discovered that the weight of an electron is 1840 times smaller than a hydrogen atom (atomis mass of 1) Thomson: Thomson was the first person to suggest the theory of the atom containing positive and negative particles, and demonstrated the latter which called electrons
How did the discovery of the noble gases contribute to today's understandings of the structure of the atom?
Noble gases explain the stable behavior of any element and hence enhances the concept of atom's structure.
What was discovery?
His MAJOR discovery was when he discovered the atom.
Alpha particles led to what discovery of what?
discovery of the atom's structure
Why was Millikan's discovery important?
Millikan performed the oil drop experiment where he sprayed a very fine mist of oil and manipulated the falling rate of the oil using x-rays. By doing this, he could measure the electron's charge, a particle previously discovered in the cathode ray tube experiment which effectively determined the mass to charge ratio. Millikan calculated the charge of an electron to be -1.602x10-19 columbs. Therefore, the mass must be 9.109x1031 kg. Since the electron was found to have a negative charge, the implication existed that there must be a positive charge located somewhere in the atom since atoms are naturally neutrally charged.
Who are the chemists who contribute to the discovery of atom?
Very many, and much to say about all of them. Try these in Wikipedia for a start: Aristotle, Dalton, Rutherford, Geiger and Marsden, Chadwick, Bohr.
