Answer the following in one line or one word: (a) Who discovered neutron ? (b) On the basis of Thomson's model of an atom, explain how the atom is neutral as a whole

Answer the following in one line or one word:
(a) Who discovered neutron ?
(b) On the basis of Thomson’s model of an atom, explain how the atom is neutral as a whole.
© What is the maximum number of electrons that can be accommodated in the outermost shell of an atom ?
(d) What term is assigned to the atoms of different elements having same atomic mass but different atomic numbers.
(e) How many neutrons are present in a hydrogen atom?

(a) Neutron was discovered by- James Chadwick.
(b) According to Thomson’s Model of atom the negative and positive charges are equal in magnitude in an atom.
© 8.
(d) Isobars.
(e) Hydrogen atom does not contain neutron.