Which experiment led to the idea that atoms contained a nucleus?
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Asked in Chemistry, Atoms and Atomic Structure
What are atoms Energy levels in which electrons are arranged around the nucleus?
Asked in Gregor Mendel
Was there any famous experiment that Democritus did?
Asked in Chemistry
Who discovered that there is a small dense positively charged nucleus in an atom?
Asked in Science Experiments
What are the 4 properties that make a good experiment?
Asked in Scientists, Scientific Method
If a scientist performs an experiment does he have any idea of the outcome?
Your hypothesis is the guess you make as to what will happen. A scientist has that idea in mind when he or she makes the experiment to test that hypothesis. They may be right or they may be wrong, but they always have an idea of what's going to happen because that's why they do the experiment in the first place.