Question: Question 4 (2 points) Listen Given the formula 2n2, how many electrons fit in the 1st energy level? 02 0. 3 01 Question 5 (2

Question 4 (2 points) Listen Given the formula 2n2, how many

Question 4 (2 points) Listen Given the formula 2n2, how many electrons fit in the 1st energy level? 02 0. 3 01 Question 5 (2 points) Listen Which experiment showed that the atom is mainly empty space? plum pudding atomic volume cathode ray tube gold foil

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