5 Questions
Who was the first person to use the term atom?
Democritus
What did Democritus call the fundamental or basic unit of matter?
atom
According to Democritus, what is the theory of the universe?
All matter consists of atoms, which are bits of matter too small to be seen. There is an empty space between atoms. Atoms are completely solid. Atoms have no internal structure. Each atom (of a different substance) is different in size, weight and shape.
Who was the scientist who adapted Democritus' theory into the first modern atomic model?
John Dalton
What are the three main points of John Dalton's atomic model?
- All matter consists of tiny particles called atoms. 2. Atoms are indestructible and unchangeable. 3. Elements are characterized by the unique arrangement of atoms.
Test your knowledge on the history of the atom and its timeline with this quiz! From Democritus, the Greek philosopher who first coined the term "atom," to the modern understanding of atomic structure, this quiz will challenge your understanding of the key milestones in the development of atomic theory.
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