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15
×
Where are neutrons found?
Nucleus
Outside the atom
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15
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What is the charge of a proton?
Positive
Negative
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15
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What is the nucleus mostly made of?
Protons and neutrons
Electrons and protons
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15
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What is the charge of an electron?
Positive
Negative
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15
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Who proposed the solid-sphere model of the atom?
Dalton
Thomson
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15
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Which two particles are found in the nucleus?
Protons and neutrons
Protons and electrons
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15
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What model did Thomson propose?
Plum pudding model
Nuclear model
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15
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Which model is accepted today?
Modern atomic model
Dalton's solid-sphere model
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15
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Who discovered the electron?
Rutherford
Thomson
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15
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What did Dalton say atoms were?
Mostly empty space
Solid indivisible spheres
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15
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Where are electrons found?
Nucleus
Electron cloud
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15
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Which particle has no charge?
Neutron
Electron
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15
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Which particle has the smallest mass?
Proton
Electron
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×
baam
Lose 20 points!
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×
magnet
Take 25 points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
5
10
15
20
25
×
monster
Reset all scores!
Oops!
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seesaw
Swap points!
Okay!
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fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 25 points!
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seesaw
Swap points!
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×
magnet
Take 10 points!
Okay!
×
gift
Win 25 points!
Okay!
×
baam
Lose 5 points!
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×
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