Which one of the following pairs is correctly matched ?
(a) Mass Spectrograph : Chadwick
(b) Atomic number : Moseley
(c) Neutron : Millikan
(d) Measurement of charge of an electron : Aston
The correct option is: (b) Atomic number: Moseley
Explanation:
Scientist Discovery
Moseley – Atomic number
Chadwick – Neutron
Millikan – Measurement of charge of an electron.
Aston – Mass spectrograph
