State whether the following statements are True or False:(i) Rutherfo

1.	State whether the following statements are True or False:(i) Rutherford discovered the neutron.(ii) The nth orbit contains at the most 2n2 electrons.(iii) Electrons have different energies according to their orbits.(iv) The capacity of the second orbit is 18 electrons.(v) The radioactive isotope Sodium-24 is used in the medical treatment of cancer.(vi) Uranium-235 is used in the production of electricity.
Answer» (i) False. (Chadwick discovered the neutron.) (ii) True. (iii) True. (iv) False. (The capacity of the second orbit is 8 electrons.) (v) False. (The radioactive isotope Sodium-24 is used for detection of cracks in the underground pipes.) (vi) True.

State whether the following statements are True or False:(i) Rutherford discovered the neutron.(ii) The nth orbit contains at the most 2n2 electrons.(iii) Electrons have different energies according to their orbits.(iv) The capacity of the second orbit is 18 electrons.(v) The radioactive isotope Sodium-24 is used in the medical treatment of cancer.(vi) Uranium-235 is used in the production of electricity.

Answer»

(i) False. (Chadwick discovered the neutron.)

(ii) True.

(iii) True.

(iv) False. (The capacity of the second orbit is 8 electrons.)

(v) False. (The radioactive isotope Sodium-24 is used for detection of cracks in the underground pipes.)

(vi) True.