Atomic Models

What is an atomic model? 

Calculate the number of atoms, ${\mathrm{e}}^{-}, {\mathrm{p}}^{+}, {\mathrm{n}}^0$ and nucleons in $10$ molecules of ${\mathrm{Al}}_2({\mathrm{SO}}_4{)}_3$.

Calculate the number of atoms, ${\mathrm{e}}^{-}, {\mathrm{p}}^{+}, {\mathrm{n}}^0$ and nucleons in $2$ million molecules of ${\mathrm{NaHCO}}_3$.

Calculate the number of atoms, ${\mathrm{e}}^{-}, {\mathrm{p}}^{+}, {\mathrm{n}}^0$ and nucleons in two hundred molecules of ${\mathrm{KClO}}_3$.

Calculate the number of atoms, ${\mathrm{e}}^{-}, {\mathrm{p}}^{+}, {\mathrm{n}}^0$ and nucleons in $5$ molecules of ${\mathrm{H}}_3{\mathrm{PO}}_3$.

What is the atomic number of $\mathrm{Na}$?

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 _____.

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.

Which one of waves cannot be seen through electromagnetic spectrum?

Rutherford proposed a nuclear model of the atom in which the atom is composed of a tiny nucleus at its edge containing positive charges.

Energy of the state ${\mathrm{S}}_1$ in units of the hydrogen atom ground state energy is

In order to have half the velocity in the second case than in the first case, the potential applied should be