contoh kalimat john thomson

• In 1897, British physicist J. J. Thomson showed that cathode rays were composed of a previously unknown negatively charged particle, which was later named the electron.
  Pada 1897, fisikawan Inggris Joseph John Thomson menunjukkan bahwa sinar katode terdiri dari partikel bermuatan negatif yang belum pernah dikenal, yang kemudian dinamai elektron.