Rutherford's α-particle scattering experiment shows that : (i) electrons have negative charge. (ii) the mass and positive charge of the atom is concentrated in the nucleus. (iii) neutron exists in the nucleus. (iv) most of the space in atom is empty. Which of the above statements are correct?

Which of the following statements are incorrect about the structure of an atom? (i) The atom as a whole is neutral. (ii) The atom is an indivisible particle. (iii) The whole mass of an atom is concen…

What is the mass number of an element, the atom of which contains two protons, two neutrons and two electrons?

India-based Neutrino Observatory is included by the Planning Commission as a mega science project under the 11th five-Year Plan. In this context, consider the following statements: 1. Neutrinos are c…

Rutherford's a-particle scattering experiment on gold foil is responsible for the discovery of:

Which one of the following statements about the properties of neutrons is not correct?