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Questions and Answers
According to Democritus, what did he call the fundamental or basic unit of matter?
According to Democritus, what did he call the fundamental or basic unit of matter?
- Particle
- Element
- Atom (correct)
- Molecule
What did Aristotle propose as the basic elements of matter?
What did Aristotle propose as the basic elements of matter?
- Earth, fire, water, air (correct)
- Metals, non-metals, metalloids, and noble gases
- Protons, neutrons, electrons, and photons
- Carbon, oxygen, hydrogen, and nitrogen
Which scientist is credited for adapting Democritus' theory into the first modern atomic model?
Which scientist is credited for adapting Democritus' theory into the first modern atomic model?
- Democritus
- J.J. Thomson
- John Dalton (correct)
- Aristotle
What did John Dalton propose about the atoms of an element in terms of their physical properties?
What did John Dalton propose about the atoms of an element in terms of their physical properties?
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Which scientist is credited for discovering the electron using cathode ray tube technology?
Which scientist is credited for discovering the electron using cathode ray tube technology?
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