SSC MTS EXAM

SSC

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What did James Chadwick discover?
A
Neutron
B
Proton
C
Electron
D
Who cares I want to go home!
Explanation: 

Detailed explanation-1: -In 1932, Chadwick made a fundamental discovery in the domain of nuclear science: he proved the existence of neutrons – elementary particles devoid of any electrical charge.

Detailed explanation-2: -Ernest Rutherford coined the term proton, from the Greek word protos, which means first. Q: Who discovered the atomic neutron? It was in1932 that James Chadwick discovered the neutron, which was 14 years after Ernest Rutherford had seen the first signs of the proton.

Detailed explanation-3: -The discovery of neutrons can be traced back to the year 1930 when the German nuclear physicists Herbert Becker and Walther Bothe observed that a penetrating form of radiation was produced when the alpha particles emitted by polonium was incident on relatively light elements such as lithium, beryllium, and boron.

There is 1 question to complete.