Podcast
Questions and Answers
Which sub-atomic particle was discovered by J.J. Thomson?
Which sub-atomic particle was discovered by J.J. Thomson?
What is the mass of an electron compared to that of a proton?
What is the mass of an electron compared to that of a proton?
Who discovered the presence of canal rays in a gas discharge?
Who discovered the presence of canal rays in a gas discharge?
What type of radiations were discovered by E. Goldstein in a gas discharge?
What type of radiations were discovered by E. Goldstein in a gas discharge?
Signup and view all the answers
What is the charge of a proton?
What is the charge of a proton?
Signup and view all the answers
What was the major challenge faced by scientists at the end of the 19th century?
What was the major challenge faced by scientists at the end of the 19th century?
Signup and view all the answers
Which scientist was the first to propose a model for the structure of an atom?
Which scientist was the first to propose a model for the structure of an atom?
Signup and view all the answers
What did Dalton's atomic theory suggest about the atom?
What did Dalton's atomic theory suggest about the atom?
Signup and view all the answers
What did J.J. Thomson propose about the structure of an atom?
What did J.J. Thomson propose about the structure of an atom?
Signup and view all the answers
What led to the failure of one aspect of Dalton’s atomic theory?
What led to the failure of one aspect of Dalton’s atomic theory?
Signup and view all the answers
