

Structure of Atom
Flashcard
•
Physics
•
University
•
Practice Problem
•
Hard
Razan Mohammed
FREE Resource
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119 questions
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1.
FLASHCARD QUESTION
Front
What does the word 'atom' mean in Greek?
Back
Indivisible or uncuttable.
2.
FLASHCARD QUESTION
Front
Who first proposed the idea that matter is made up of tiny particles called Atomos?
Back
Democritus.
3.
FLASHCARD QUESTION
Front
What are the three subatomic particles that make up an atom?
Back
Electrons, protons, and neutrons.
4.
FLASHCARD QUESTION
Front
What is Dalton's atomic theory?
Back
Atoms combine in specific proportions based on mass, cannot be created or destroyed, and all atoms of the same element are identical.
5.
FLASHCARD QUESTION
Front
What did J.J. Thomson discover about atoms?
Back
Atoms contain small particles (electrons) and can be divided into smaller substances.
6.
FLASHCARD QUESTION
Front
What is the Plum Pudding Model?
Back
A model where electrons are mixed throughout the atom, resembling soft blobs of matter.
7.
FLASHCARD QUESTION
Front
What did Ernest Rutherford conclude about the structure of the atom?
Back
Atoms have a small, dense, positively charged nucleus surrounded by negatively charged electrons.
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