The fundamental particles

Exercise and reference answers

Questions

1. Question

   The three fundamental particles of the atom are

   Choices

   1. electrons, photons and neutrons
   2. protons, neutrons and orbitals
   3. electrons, protons and neutrons

   Correct choice

   electrons, protons and neutrons

2. Question

   Dalton proposed his atomic theory in

   Choices

   1. 1808
   2. 1898
   3. 1913

   Correct choice

   1808

3. Question

   Rutherford's scattering experiment was in

   Choices

   1. 1926
   2. 1909
   3. 1808

   Correct choice

   1909

4. Question

   Schrodinger proposed his equation in

   Choices

   1. 1913
   2. 1898
   3. 1926

   Correct choice

   1926

Explanation