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History of Atomic Theory Quiz

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Questions and Answers

According to Democritus, what is the meaning of the term 'atomos'?

Indivisible (correct)

Solid sphere

Elemental particle

Basic unit of matter

What was Aristotle's theory regarding the composition of matter?

Matter is made of four elements: earth, fire, water, air (correct)

Matter is composed of atoms with different sizes and shapes

Matter is made of tiny indivisible particles

Matter is composed of positively charged protons and negatively charged electrons

What was a key feature of John Dalton's atomic model?

Atoms are composed of protons, neutrons, and electrons

Atoms of different elements are identical in size, mass, and shape

Atoms can be divided into smaller particles

Atoms are solid spheres (correct)

What did J.J Thomson's research on cathode ray tube technology lead to?

Discovery of the electron Signup and view all the answers

Who is credited for the discovery of the electron using cathode ray tube technology?

J.J Thomson Signup and view all the answers

According to Democritus, what did he consider as the fundamental or basic unit of matter?

Indivisible atoms Signup and view all the answers

What was Aristotle's incorrect theory regarding the composition of matter?

Matter is made of four elements: earth, fire, water, air Signup and view all the answers

What did John Dalton propose about the nature of atoms in his atomic model?

Atoms are small particles that cannot be divided or destroyed Signup and view all the answers

What was J.J. Thomson credited for discovering using his research on cathode ray tube technology?

The electron Signup and view all the answers

Which scientist was the first to adapt Democritus’ theory into the first modern atomic model?

John Dalton Signup and view all the answers