the history of the atom- the nuclear model Flashcards

1
Q

what showed that the plum pudding model was wrong

A

experiments

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2
Q

how did experiments show it was wrong

A

it showed that the positive charge couldnt be spread out through the atom

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3
Q

what did the experiment find

A

atoms have a small positively charged nucleus

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4
Q

where is the nucleus

A

in the centre of the atom

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5
Q

where is most of the mass in the atom

A

in the nucleus

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6
Q

what did scientists suggest for this theory

A

that the nucleus is surrounded by a cloud of negatively charged electrons

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