J.J. Thomson.
It matter what kind of electronics. Because some was made in different times and years.
1896
Radioactivity was first discovered in 1896 by the French scientist Henri Becquerel.
Klondike region
Pierre de Coubertin.
Becquerel discovered x-rays and radioactivity in 1896.
i have no idea when it was discovered
Becquerel in 1896 discovered that uranium emit radiations.
The year of the electron discovery is considered 1896.
he discovered electrons
Henri Becquerel discovered in 1896 the natural radioactivity.
Positive charge particles are called Protons Negatively charged particles are called Electrons Neutrons have no charge Protons was discovered by Ruther Ford Electrons was discovered by JJ Thompson Neutons was discovered by James Chadwick