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1
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You are able find this by adding the neutrons and protons
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2
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This model looks like an onion or with layers
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4
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What does the present day model look like
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6
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The type of charge an electron has
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7
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There is an even number of protons and electrons so they what
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10
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This is the positively charged part of the atom
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11
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What the Bohr model look like
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14
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This part of an atom has a negative charge
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15
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Scientist use this to study things that are too small to see with the naked eye
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16
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The person who came up with the atom
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18
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This is the dense center of the atom
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