JAMB - Chemistry (2021 - No. 15)
Neutrons were discovered by?
James Chadwick
Ernest Rutherford
J.J Thompson
John Dalton
Vysvetlenie
- Sir James Chadwick, was a British physicist who was awarded the 1935 Nobel Prize in Physics for his discovery of the neutron in 1932.
- Ernest Rutherford postulated the nuclear structure of the atom, discovered alpha and beta rays, and proposed the laws of radioactive decay.
- Sir Joseph John Thomson was a British physicist and Nobel Laureate in Physics, credited with the discovery of the electron, the first subatomic particle to be discovered.
- John Dalton was an English chemist, physicist and meteorologist. He is best known for introducing the atomic theory into chemistry