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Team 2
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Teams
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Score
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15
×
12. Who discovered the nucleus a) Dalton b) Rutherford c) Bohr d) Thomson
b
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15
×
10. Bohr’s model described electrons moving ___ a) randomly b) in specific orbits c) in straight lines d) only inside the nucleus
b
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×
trap
No points!
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×
gold
Win 50 points!
Okay!
×
shark
Other team loses 25 points!
Okay!
×
thief
Give points!
5
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25
15
×
22. What do all isotopes of carbon have in common a) 6 neutrons b) 6 protons c) same mass d) 12 neutrons
b
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15
×
11. The modern model shows electrons moving in a ___ a) fixed path b) cloudlike region c) ring d) sphere
b
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15
×
20. The mass number equals ___ a) protons only b) neutrons only c) protons and neutrons d) electrons and protons
c
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×
heart
Other team wins 5 points!
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×
star
Double points!
Okay!
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fairy
Take points!
5
10
15
20
25
×
banana
Go to last place!
Oops!
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seesaw
Swap points!
Oops!
×
shark
Other team loses 20 points!
Okay!
×
gift
Win 20 points!
Okay!
×
thief
Give points!
5
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25
15
×
8. The electron has a ___ charge a) positive b) negative c) neutral d) double
b
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15
×
14. The nucleus is ___ a) negative b) neutral c) positive d) empty
c
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15
×
15. Protons and neutrons are found in the ___ a) electron cloud b) nucleus c) orbit d) shell
b
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15
×
25. In Bohr’s model electrons move around the nucleus in ___ a) paths or orbits b) random clouds c) shells d) energy waves
a
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15
×
30. Atomic theory developed through ___ a) guessing b) observation only c) experimental evidence d) imagination
c
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15
×
3. Who discovered the electron a) Rutherford b) Thomson c) Bohr d) Dalton
b
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×
baam
Lose 10 points!
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×
seesaw
Swap points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 25 points!
Oops!
15
×
17. The particle with the least mass is the ___ a) proton b) neutron c) electron d) nucleus
c
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×
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