Atomic Structure and Models Quiz

Test your knowledge of the discovery of electron, proton, and neutron, as well as Thomson, Rutherford, and Bohr atomic models. Also, understand the important features of the quantum mechanical model of atom and the nature of electromagnetic radiation and Planck's contribution.

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Questions and Answers

Who proposed the existence of atoms as the fundamental building blocks of matter?

Early Indian and Greek philosophers

What is the origin of the word 'atom'?

Greek word 'a-tomio' meaning 'uncut-able'

What did the early Indian and Greek philosophers believe about atoms?

Atoms are the fundamental building blocks of matter

When were the earlier ideas about atoms revived again by scientists?

Nineteenth century Signup and view all the answers

What is the main characteristic of atoms according to the Indian and Greek philosophers?

Indivisibility Signup and view all the answers

Which scientist proposed the atomic model that describes the atom as a positively charged 'pudding' with negatively charged electrons embedded throughout?

J.J. Thomson Signup and view all the answers

What is the key feature of the quantum mechanical model of the atom?

Quantized energy levels Signup and view all the answers

Which principle states that no two electrons in an atom can have the same four quantum numbers?

Pauli exclusion principle Signup and view all the answers

What did Planck's quantum theory explain about the nature of electromagnetic radiation?

The quantization of energy Signup and view all the answers

According to the de Broglie relation, what is associated with moving particles such as electrons?

Wave properties Signup and view all the answers

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