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Structure of the Atom Quiz

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Questions and Answers

What did E. Goldstein discover in 1886?

Electrons

Neutrons

New radiations in a gas discharge (correct)

Protons

What is the mass of a proton compared to an electron?

Approximately 5000 times more

Approximately the same

Approximately 100 times more

Approximately 2000 times more (correct)

What is the charge of an electron?

Neutral

Variable

Negative (correct)

Positive

How are protons and electrons represented?

'p' for protons, 'e' for electrons Signup and view all the answers

What was the big question regarding the structure of the atom?

The structure formed by the particles in the atom Signup and view all the answers

What is the charge of a proton?

Positive Signup and view all the answers

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

Studying static electricity and the conduction of electricity by different substances Signup and view all the answers

What is the main focus of Chapter 4 in the text?

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

What is the primary purpose of the activities mentioned in the text?

To understand how atoms become electrically charged Signup and view all the answers

Why was it known by 1900 that atoms are not indivisible?

As a result of studying static electricity and the conduction of electricity by different substances Signup and view all the answers

What was one of the major challenges before scientists in understanding the nature of charged particles?

Revealing the presence of positively charged radiations Signup and view all the answers

What makes the atom of one element different from the atom of another element?

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