12h 30min, jul 4, 1910 y - Rutherford
Description:
1. Rutherford - _Conducts the famous Gold foil experiment which discovers the positive mass of the nucleus when a couple alpha particles don’t go straight through the foil but bounce back showing that there is a defined positive mass ____a. Experimental basis - _Gold Foil shot with alpha particles to see if any would deflect_____
b. Year - 1910__
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Date:
12h 30min, jul 4, 1910 y
Now
~ 115 years ago