Podcast
Questions and Answers
Who was the first scientist to propose a model for the structure of an atom?
Who was the first scientist to propose a model for the structure of an atom?
- Dalton
- J.J. Thomson (correct)
- Einstein
- E. Goldstein
What are canal rays according to the text?
What are canal rays according to the text?
- Neutral radiations
- Negatively charged radiations
- Positively charged radiations (correct)
- High-energy photons
How are electrons and protons represented in general according to the text?
How are electrons and protons represented in general according to the text?
- 'e-' and 'p'
- 'e+' and 'p+'
- 'e+' and 'p-'
- 'e-' and 'p+' (correct)
What did Dalton's atomic theory suggest, which was contradicted by the discovery of electrons and protons?
What did Dalton's atomic theory suggest, which was contradicted by the discovery of electrons and protons?
What was the charge and mass of the sub-atomic particle discovered by E. Goldstein according to the text?
What was the charge and mass of the sub-atomic particle discovered by E. Goldstein according to the text?
What was one of the first indications that atoms are not indivisible?
What was one of the first indications that atoms are not indivisible?
What did the scientists at the end of the 19th century aim to reveal?
What did the scientists at the end of the 19th century aim to reveal?
What is the fundamental building block of matter according to Chapter 3?
What is the fundamental building block of matter according to Chapter 3?
What was one of the major challenges before the scientists at the end of the 19th century?
What was one of the major challenges before the scientists at the end of the 19th century?
What does Chapter 4 aim to explain?
What does Chapter 4 aim to explain?
What was the model proposed by J.J. Thomson for the structure of an atom?
What was the model proposed by J.J. Thomson for the structure of an atom?
Who discovered the presence of canal rays in a gas discharge?
Who discovered the presence of canal rays in a gas discharge?
What is the charge and mass of a proton?
What is the charge and mass of a proton?
How did the discovery of electrons and protons impact Dalton's atomic theory?
How did the discovery of electrons and protons impact Dalton's atomic theory?
What did E. Goldstein's discovery of canal rays ultimately lead to?
What did E. Goldstein's discovery of canal rays ultimately lead to?
What were the two primary questions that arose regarding the structure of the atom?
What were the two primary questions that arose regarding the structure of the atom?
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?
What were some of the first indications that atoms are not indivisible?
What were some of the first indications that atoms are not indivisible?
What were the two activities suggested for understanding the nature of charged particles in matter?
What were the two activities suggested for understanding the nature of charged particles in matter?
What did scientists aim to elucidate based on a series of experiments at the end of the 19th century?
What did scientists aim to elucidate based on a series of experiments at the end of the 19th century?
