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Date of democritus atomism?
Democritus, in the 5th century, proposed his version of atomism. States that all matter was composed of small indivisible particles called atoms.
What is a homogeneous mixture whose particles are too small to reflect or scatter light?
A solution is a homogeneous mixture whose particles are too small to reflect or scatter light. A colloid is a heterogeneous mixture containing particles that are small enough to stay suspended but large enough to scatter light.
The argument that a republic could survive only in a small territory was stated by?
If I'm not mistaken, it was Montesquieu who argued that a republic could survive only in a small territory.
Who was one the first people to suggest that matter is made up of particles that cannot be divided?
The Greek philosopher Leucippus (5th century BC) and his pupil Democritus used the word "atom" to mean an indivisibly-small particle of matter. John Dalton (1766-1844) was among the first to use the concept to explain the observed chemical properties of compounds.
Why weren't viruses discovered until about 1935?
The very small size of virus particles was a major limiting factor of the discovery of viruses.
