Structure of the Atom Quiz

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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?

Neutral radiations

Negatively charged radiations

Positively charged radiations (correct)

High-energy photons

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?

Atoms are indestructible Signup and view all the answers

What was the charge and mass of the sub-atomic particle discovered by E. Goldstein according to the text?

Charge: plus one, Mass: approximately 2000 times that of an electron Signup and view all the answers

What was one of the first indications that atoms are not indivisible?

The study of static electricity Signup and view all the answers

What did the scientists at the end of the 19th century aim to reveal?

The structure and properties of the atom Signup and view all the answers

What is the fundamental building block of matter according to Chapter 3?

Atoms and molecules Signup and view all the answers

What was one of the major challenges before the scientists at the end of the 19th century?

To reveal the structure of the atom and explain its properties Signup and view all the answers

What does Chapter 4 aim to explain?

The arrangement of sub-atomic particles Signup and view all the answers

What was the model proposed by J.J. Thomson for the structure of an atom?

Thomson proposed the model of an atom to be similar to that of a Christmas pudding. Signup and view all the answers

Who discovered the presence of canal rays in a gas discharge?

E. Goldstein discovered the presence of canal rays in a gas discharge. Signup and view all the answers

What is the charge and mass of a proton?

The charge of a proton is plus one and its mass is approximately 2000 times that of an electron. Signup and view all the answers

How did the discovery of electrons and protons impact Dalton's atomic theory?

The discovery of electrons and protons inside the atom led to the failure of the aspect of Dalton's atomic theory that suggested the atom was indivisible and indestructible. Signup and view all the answers

What did E. Goldstein's discovery of canal rays ultimately lead to?

E. Goldstein's discovery of canal rays ultimately led to the discovery of another sub-atomic particle known as the proton. Signup and view all the answers

What were the two primary questions that arose regarding the structure of the atom?

What makes the atom of one element different from the atom of another element? Are atoms really indivisible, as proposed by Dalton, or are there smaller constituents inside the atom? Signup and view all the answers

What was the major challenge faced by scientists at the end of the 19th century?

To reveal the structure of the atom as well as to explain its important properties. Signup and view all the answers

What were some of the first indications that atoms are not indivisible?

The study of static electricity and the condition under which electricity is conducted by different substances. Signup and view all the answers

What were the two activities suggested for understanding the nature of charged particles in matter?

Comb dry hair and observe if the comb attracts small pieces of paper. Rub a glass rod with a silk cloth and bring the rod near an inflated balloon. Signup and view all the answers

What did scientists aim to elucidate based on a series of experiments at the end of the 19th century?

The structure of the atom and its important properties. Signup and view all the answers

Structure of the Atom Quiz

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Questions and Answers

Who was the first scientist to propose a model for the structure of an atom?

What are canal rays according to the text?

How are electrons and protons represented in general according to the text?

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 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 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 does Chapter 4 aim to explain?

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?

What is the charge and mass of a proton?

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 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 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 did scientists aim to elucidate based on a series of experiments at the end of the 19th century?

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Structure of the Atom Quiz

Podcast Beta

Questions and Answers

Who was the first scientist to propose a model for the structure of an atom?

What are canal rays according to the text?

How are electrons and protons represented in general according to the text?

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 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 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 does Chapter 4 aim to explain?

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?

What is the charge and mass of a proton?

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 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 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 did scientists aim to elucidate based on a series of experiments at the end of the 19th century?

More Like This

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