Atomic structure, Isotopes, Average Atomic mass, Nuclear

How did Rutherford discover the proton?

• Cathode tube ray experiment
• Gold Foil Experiment
• Planetary Model
• Plum Pudding Model

What scientist is best known for his "Plum Pudding" model of the atom?

• J.J. Tomson
• Ernest Rutherford
• John Dalton
• Democritus

Rutherford's gold foil experiment provided evidence that...

• negative and positive charges are spread evenly throughout the atom.
• alpha particles have a positive charge.
• gold is not a dense as previously thought.
• there is a dense positively charged nucleus at the center of an atom.

Who came up with this model of an atom?

• J.J. Thompson

• Ernest Rutherford

• Neils Bohr

• James Chadwick

Which of the following is proposed by Erwin Schrodinger?

• Planetary model of the atom
• Plum pudding model of the atom
• Saturnian model of the atom
• Electron cloud model of the atom

Discoverer of the neutron?

• Jimmy
• Chadwick
• Charleston
• Rutherford

Earth, Air, Fire, and Water were the fundamental elements propose by ___.

• Aristotle
• Democritus
• Plato
• Galileo

The atom is mostly empty space is a confirmed idea made by who?

• Rutherford
• Nagaoka
• Bohr
• Chadwick

Ernst Rutherford discovered which part of the atom through the use of gold foil?

• Proton
• Neutron
• Electron
• Orbitals

Which is the correct sequence of the scientists who made major changes in the model of the atom?

1-JJ Thomson

2-Erwin Schrodinger

3-John Dalton

4-Niels Bohr

5-Ernest Rutherford

• 2, 1, 4, 3, 5

• 3, 1, 5, 4, 2

• 5, 3, 2, 1, 4

• 4, 3, 2, 1, 5