Atomic Models
Atomic Models: Overview
This topic covers concepts such as Atomic Models, Thomson's Atomic Model, Failure of Thomson's Atomic Model, Rutherford's Nuclear Model of Atom : Discovery of Nucleus, Conclusions of Rutherford's Gold Foil Experiment, etc.
Important Questions on Atomic Models
Give any two limitations of Thomson's atomic model.

Give the number of atomic models. Explain briefly Bohr's atomic model.

Give the number of atomic models. Explain briefly Rutherford's atomic model.

Why the Rutherford model cannot explain the stability of an atom?

Rutherford’s Nuclear Model of Atom model is that the mass of the atom is assumed to be uniformly distributed over the atom.

The nucleus is surrounded by electrons that move around the nucleus with a very high speed in circular paths called _____.

An element with the atomic number will most likely combine chemically with the element whose atomic number is

Write the drawbacks of Rutherford's atomic model.

Name the element whose isotope has mass number and neutrons.

An atom having atomic mass number has neutrons. What is the atomic number of the atom?

Which of the following statements represent an incorrect limitation of Thomson's Atomic model?

Thomson's atomic model fails to explain the results of scattering experiments, carried out by _____.

Give the limitations of Thomson's model of an atom.

The number of protons, neutrons and electrons in , respectively, are

Deuterium is the lightest isotope of Hydrogen.



Frequency of the -rays emitted by an element is . If constants in the Moseley equation are , the element will be

Number of protons, neutrons and electrons in the element are respectively:

_____ suggested that the atom has a heavy and positively charged nucleus. (Ernest Rutherford/ James Chadwick)
