Read http://en.wikipedia.org/wiki/Oil-drop_experiment - it does exactly that.
Democritus
democritus
Democritus
Chemical analysis of many compounds led to this conclusion.
logical and respect the rules of evidence, consistent with experimental and observational evidence about nature, and clearly reported to enhance opportunities for further investigation.
Experimental evidence is data obtained through conducting an experiment. For example, if I measure the boiling point of a substance at 500 degrees Fahrenheit by boiling the substance, 500 degrees is my experimental evidence.
Democritus
Hypothesis.
democritus
Yes.
Democritus
An invalid one
It's called a theory.
Observation
"Empirical" evidence.
Primary sources are original materials that provide first-hand accounts of events or research findings, like diaries or scientific studies. Secondary sources analyze, interpret, or summarize primary sources, such as textbooks or literature reviews. Primary sources offer direct evidence, while secondary sources offer commentary or analysis on that evidence.
I regret that I do not have access to a study that looked at this matter and so do not have any experimental evidence.